- This article is about the official issue 25 euro coins issued by Austria from 2002 to the present. For the fantasy issues created prior to the euro's introduction in 2002, see Austrian 25 euro coin (fantasy).
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The 25 euro coin is a collectors' piece currently issued by the Republic of Austria. The first official coin of this denomination was produced in 2002, when Austria adopted the euro and phased out its schilling. This coin replaced the previous 500 schilling coin as the new ¼ ounce coin in the of the Vienna Philharmonic series of bullion coins. Since then, the Vienna Philharmonic 25 euro coin has continued to be minted and has been sold to numerous collectors around the world. Subsequently, in 2003 Austria began its popular series of bimetallic 25 euro coins, and has continued the series to this day, producing a new coin near the beginning of each year.
- 1 History
- 1.1 Vienna Philharmonic coin (2002-present)
- 1.2 Bimetallic series (2003-present)
- 1.2.1 Hall in Tirol coin (2003)
- 1.2.2 Semmering Railway coin (2004)
- 1.2.3 Television coin (2005)
- 1.2.4 Satellite coin (2006)
- 1.2.5 Aviation coin (2007)
- 1.2.6 Light coin (2008)
- 1.2.7 International Year of Astronomy coin (2009)
- 1.2.8 Renewable energy coin (2010)
- 1.2.9 "Robotik" coin (2011)
- 1.2.10 "Bionik" coin (2012)
- 1.2.11 Tunnel coin (2013)
- 1.2.12 Evolution coin (2014)
- 1.2.13 Cosmology coin (2015)
- 1.2.14 Time coin (2016)
- 1.2.15 Microcosm coin (2017)
- 2 References
History[edit | edit source]
Vienna Philharmonic coin (2002-present)[edit | edit source]
- See also: Vienna Philharmonic coins
The first 25 euro coin of Austria was issued in 2002 as part of the country's popular Vienna Philharmonic bullion coin series, replacing the previous 500 schilling coin of the same composition and measurements. Such a coin has been issued annually since, offered alongside pieces with face values of 1.50, 10, 50, and 100 euros. Like the other coins in the series, it was designed and engraved by Austrian sculptor Thomas Pesendorfer (1952–), and is produced at the Austrian Mint in Vienna. It is composed of one-fourth of an ounce of .9999 fine gold (99.99% gold, .01% copper). It weighs approximately 7.776 grams and measures 22 millimeters in diameter and 1.2 millimeters in thickness.
Featured in the center of the obverse is the pipe organ from the Musikverein concert hall in Vienna, the home of the Vienna Philharmonic orchestra. The German state title "REPUBLIK ÖSTERREICH" (English: "Republic of Austria") is shown around the upper periphery above, while an indication of the gold purity reading "¼ UNZE GOLD 999.9" (English: "¼ ounce of 999.9 gold") is displayed directly below the key instrument. The year of minting is printed in relatively small text under the purity, and the value "25 EURO" is inscribed at the very bottom of the coin, arched around the rim.
An assortment of instruments used by the Vienna Philharmonic orchestra is featured on the reverse, with a cello in the center; four violins, with two at either side of the cello; a Viennese horn and bassoon, both above the violins on the left, the latter partially concealed behind the cello; and a harp, located above the violins at the right, with portions being covered by the cello and violins in front of it. The German legend "WIENER PHILHARMONIKER", which translates to English as "Vienna Philharmonic" is featured above the instruments, arched around the coin's periphery.
The number of these coins produced each year is dependent on the demand. From 2002 to 2010, a total of approximately 552,440 examples was produced, according to Krause's Standard Catalog of World Coins.
Bimetallic series (2003-present)[edit | edit source]
Only a year after introducing the 25 euro Vienna Philharmonic coin, the Austrian Mint began an annual series of bimetallic 25 euro pieces commemorating technology. The coins vary in design, but all bear a colored .998 niobium center inside a .900 fine silver ring and have a diameter of 34 millimeters. Similarly, all are circular in shape and have a smooth edge. The pieces issued between 2003 and 2006 weigh 17.15 grams, while those of a later date weigh 16.5 grams.
Like the Vienna Philharmonic coin, the mintage of each bimetallic 25 euro coin is dependent on customer demand, but only a certain number are allowed to be produced. The mintage limit for 2003 and 2004 was 50,000 pieces, but this number was increased to 65,000 in 2005.
Hall in Tirol coin (2003)[edit | edit source]
The town of Hall in Tirol, located in the Innsbruck-Land district of Tyrol, Austria, received its city charter in 1303. It subsequently became the site of the important Tyrolean Mint in 1477, which produced some of the most revered and well-known coins of the time period. The Austrian Mint produced its first bimetallic 25 euro coin in 2003 to commemorate the mint in Hall and the 700th anniversary of the town's establishment.
The obverse, designed by Austrian numismatic artist Herbert Wähner, features an image of a satellite mapping the town of Hall, with the design extending outside of the blue niobium center onto the silver ring. "25 EURO" is engraved on two lines at the right of the center just above the map. The inscription "HALL IN TIROL 2003" is inscribed in a digital-type font at the left of the silver rim, with each word and the date printed on their own lines. The German state title "REPUBLIK ÖSTERREICH" is engraved on two lines at the right of the ring, arched around the periphery and the niobium center. Inscribed in very small text near the main design is "H.WAHNER".
A coin die of a guldengroschen coin of Tyrol bearing the date "1486" encompasses the entire niobium center on the reverse, which was designed by sculptor Helmut Andexlinger (1973–). Inscribed in the ring above is the legend "700 JAHRE" (English: "700 years"), while the text "STADT HALL IN TIROL" (English: "City of Hall in Tirol") is featured below the die, also in the ring. Both inscriptions are separated from each other by a bullet point at each side of the reverse.
Semmering Railway coin (2004)[edit | edit source]
The Semmering railway (German: Semmeringbahn), a mountain railway that leads over the Semmering Pass from Gloggnitz to Mürzzuschlag, was the basis for Austria's 2004 25 euro coin, which was minted to commemorate the 150th anniversary of the railway's completion in 1854. The color of the niobium "pill" in the center is dark green.
The obverse, designed by Thomas Pesendorfer, features two locomotives, a historical and modern one, extending from the outer ring to the niobium center. This represents the technical advancements in locomotive construction since the Semmering railway was finished. The upper half depicts the "Taurus", a high-performance electric locomotive built by Siemens AG, while the lower half features the Engerth, the first functional Alpine locomotive. Below the Engerth at the bottom center of the "pill" is the year of minting, while the "TP" initials of Thomas Pesendorfer are present under the same locomotive in the left part of the ring. In the portion of the ring above the niobium center is the state title "REPUBLIK ÖSTERREICH", and the value "25 EURO" is featured at the very bottom of the coin in the ring.
An image of a steam engine emerging from a tunnel and crossing a well-known viaduct on the Semmering railway is featured on the reverse, designed by Helmut Andexlinger. "150 JAHRE" (English: "150 years") is inscribed in the ring above the niobium pill while the legend "SEMMERINGBAHN" is featured in the space below the center.
Television coin (2005)[edit | edit source]
Television was introduced as early as the late 1920s in a handful of countries, but did not make its début in Austria until August 1, 1955, when the first Austrian test broadcasts were aired. In 2005 the Austrian Mint produced a 25 euro coin designed by Helmut Andexlinger in commemoration of the 50th anniversary of this event. The color of the coin's center is a dark violet.
Depicted in the niobium "pill" on the obverse is a common test pattern used by television sets in the 1950s, with the coin's year of minting printed below. The state title "REPUBLIK ÖSTERREICH" is engraved in an arch in the ring above the depiction, and the value "25 EURO" is printed at the very bottom of the coin, separated from the title by a bullet point at both sides.
Featured in the center of the reverse is a television antenna from an analog television superimposed over a globe centered on the location of Austria. Several illustrations representing milestones of television are featured in the silver ring surrounding the center. Starting at the bottom left periphery and ending near the upper right, the images are of: an old television set, an antiquated television camera, a family using a remote control, and a control room at a television station leading to a set of satellite dishes. Of these, the first two objects extend into the center. Inscribed around the coin's bottom right rim are the German words "50 JAHRE FERNSEHEN", which translate to English as "50 years of television".
Satellite coin (2006)[edit | edit source]
In commemoration and recognition of the Galileo global navigation satellite system currently being built by the European Union and European Space Agency, the Austrian mint produced a 25 euro coin in 2006 using it as its focus. Herbert Wähner was commissioned by the mint to design its obverse, while Thomas Pesendorfer was called on to create its reverse. The niobium "pill" in the center of the 2006 coin is gold-brown in color.
Featured in the foreground on the obverse's center is the inscription "Position der Münze Österreich" (English: "position of the Austrian Mint"), followed by "NÖRDLICHE BREITE 48° 12′ 12″, 3" (English: "48° 12′ 12″, 3 north") and "ÖSTLICH VON GREENWICH 16° 22′ 58″, 7 (English: "16° 22′ 58″, 7 east of Greenwich"). As the first inscription implies, the text that follows it indicates the approximate coordinates of the Austrian Mint building in Vienna, with the first set representing the latitude north of the equator and the second set signifying the longitude to the east of the prime meridian, which runs through Greenwich, England. The words are printed over a sixteen-point compass rose with labeled cardinal and ordinal directions. The labels are shown as abbreviations, with an "N" representing Norden (North), an "O" signifying Osten (East), an "S" indicating Süden (South), and a "W" representing Westen (West). Displayed between the coordinates and the south indicator on the compass is the coin's year of minting. The state title is inscribed as "R•E•P•U•B•L•I•K Ö•S•T•E•R•R•E•I•C•H" in the silver ring, starting near the southwest point on the compass and arching upward to end near the southeast point. The value, printed as "2•5 E•U•R•O", is shown at the bottom of the ring.
The niobium "pill" on the reverse represents Earth, and is shown being circled by a number of satellites, some located in the gold-brown center and others found in the ring. Five vehicles are shown in the silver ring surrounding it: an airplane; two trucks; a train; and a container ship, which also extends into part of the niobium center. The latter four means of transportation are engraved at the bottom and bottom-left of the ring while the airplane is shown at the very top, separating the German legend "EUROPÄISCHE SATELLITENNAVIGATION", which translates to English as "European Satellite Navigation".
Aviation coin (2007)[edit | edit source]
The 25 euro coin struck by the Austrian Mint in 2007 was minted to commemorate Austrian aviation. Herbert Wähner was tasked with producing the design for the obverse, while Thomas Pesendorfer was commissioned to design the reverse. The niobium center of the coin is light blue.
Featured in the "pill" on the obverse is the cockpit, or flight deck, of a modern passenger airplane. Wähner's signature, "H WÄHNER", is present at the left edge of the niobium center. The state title is engraved as "REPUBLIK ÖSTERREICH" in the silver ring, arched around the upper half of the coin. At the very bottom of the coin is the value "25 EURO", also shown arched around the rim. The date "2007" is present between the end of the state title and that of the value, inscribed horizontally and in a straight line.
At the very top of the niobium "pill" on the reverse is the Etricht Taube, a monoplane aircraft designed by Austrian flight pioneer Igo Etrich (1879–1967) that was first flown in 1910. Below it is an image of the Zanonia, a glider developed by Etrich in 1903 that was inspired by the flying seed of Zanonia microcarpa, a Javanese plant. A portion of one of its wings extends into the silver ring, while a part of the other wing is concealed by an image of Igo Etrich piloting an aircraft and waving, which also extends from the center into the ring. Etrich's signature is shown superimposed over the body of the plane he is flying, as are the initials of Thomas Pesendorfer. Inscribed around the upper rim of the silver ring is the legend "LUFTFAHRT IN ÖSTERREICH", which translates to English as "Aviation in Austria".
Light coin (2008)[edit | edit source]
Carl Auer von Welsbach (1858–1929) was an Austrian scientist and inventor most known for developing the metal filament light bulb. In 2008, the 150th anniversary of his birth, the Austrian Mint used Welsbach as the main motif for that year's bimetallic 25 euro coin. Unlike the previous coins, it was designed by Herbert Wähner alone. The coin's center is light green in color. In 2010, it won Krause's Most Innovative Coin Award for 2008.
Depicted in the niobium "pill" on the obverse is an image of a man on a ladder lighting a gas lantern street light in front of the Musikverein concert hall in Vienna. Light beams are engraved into much of the silver ring, and parts of the street light, the man and the ladder, and the concert hall are shown extending outside of the center. The state title "REPUBLIK ÖSTERREICH" is shown in the silver ring, starting at the upper left of the coin and arching upward until ending at the lower right. The top of the Musikverein is shown concealing part of the letter "U" in "REPUBLIK", while the top of the street light is displayed covering a portion of the "L" in the same word. "25 EURO" is inscribed just outside of the niobium center, written horizontally in a straight line. The date "2008" is printed just below it in a similar fashion, albeit with smaller lettering.
The entire reverse features illustrations. A left-facing partial portrait of Carl Auer von Welsbach is present at the left-hand side, and the sun is depicted in the center of the niobium pill. Several methods of illumination are spread out along the silver ring, including gas lighting, a variety of incandescent light bulbs, neon lights, light-emitting diodes, and a flashlight. Of the neon lights, one of them reads "NEON".
|Coin of the Year Awards|
International Year of Astronomy coin (2009)[edit | edit source]
The International Year of Astronomy was a year-long celebration of astronomy in 2009 that coincided with the 400th anniversary of the first recorded astronomical observations made by Galileo Galilei (1564–1642) with a telescope and the publication of Johannes Kepler's (1571–1630) Astronomia nova. Partaking in the celebrations, the Austrian Mint made astronomy the subject of that year's 25 euro coin. Like the 2008 coin, both sides were designed by Herbert Wähner. The color of the niobium pill in the center is golden yellow to represent the sun.
The back side of the moon makes up the colored center of the obverse, with portions of a satellite additionally being in the center and also in the silver ring. The words "rückseite des mondes", translating from German as "back of the moon", are engraved from the upper left edge of the center to the lower right, arching near the top. Wähner's signature, "H WÄHNER", is engraved between the end of the word "mondes" and the depiction of the satellite. The earth is featured at the left side of the silver ring while a stylized sun emitting light rays extending to the other side of the obverse is depicted at the right side. The state title, printed as "republik österreich" in all lowercase letters, extends from the depiction of the earth to that of the sun, while the value "25 euro" is inscribed between the image of the satellite and the illustration of the sun. Both are arched around the rim.
A portrait of a facing Galileo Galilei is shown at the left-hand side of the reverse. Next to his likeness is an illustration of a Galilean telescope, and in the background is one of Galileo's first drawings of the surface of the moon. A space telescope is shown at the top of the silver ring, along with a stylized sun similar to the one on the obverse and an image of Saturn. Also featured along the ring are a radio telescope, the Isaac Newton Telescope, the observatory in Kremsmünster Abbey, and a modern telescope. The inscription "jahr der astronomie", which translates to "year of astronomy", is written around the circumference of the golden center, while the date "2009" is printed just above the niobium pill and the year "1609" is featured at the very bottom of the coin.
Renewable energy coin (2010)[edit | edit source]
In recognition of the need to sustain the global environment, the Austrian Mint's 25 euro coin of 2010 features renewable energy as its main motif. Both sides of the coin were designed by Helmet Andexlinger. The color of the niobium "pill" is a dark blue.
A tree representing all vegetation on Earth is featured in the niobium center of the obverse. The four classical elements — air, earth, fire, and water — are all featured in a cycle of sorts around the tree. A stream of water is shown in the silver ring at the very bottom of the coin, while wind blowing leaves from the tree to the ground, representing the element of air, is displayed along the right and bottom edges of the niobium center. A sun in the background of the image represents fire, as its rays produce natural warmth. Earth is represented by the roots of the tree, which help to absorb the needed nutrients and water from the ground. The state title of Austria, "REPUBLIK ÖSTERREICH", is written inside the silver ring, starting at the left side of the coin and ending at the upper right periphery. "25 EURO" is inscribed after the state title, the two items separated by a small bullet point. At the end of the indication of the coin's value, separated from it by another bullet point, is the date "2010", the digits in the number increasingly becoming larger.
The earth is used as the background for the niobium "pill" on the reverse. Superimposed over it is a water turbine, which generally produces hydroelectricity from the kinetic energy in water. It is shown being powered by a stream of water, which is mostly engraved within the outer ring. A wind turbine, which converts kinetic energy from the wind into energy, is present to the left of the water turbine, extending from the niobium center to the upper ring. Next to it, at the left side of the coin, are two arrows, the leftmost pointing upwards with a wavy arrow in its center and the rightmost facing downwards with several drops inside of it. Such objects represents the cultivation of geothermal energy, a process in which water that goes into the ground is recovered in the form of water vapor. Solar panels, which absorb thermal energy from the sun to generate electricity, are present at the right side of the coin. The sun is featured at the very top of the coin, partially concealed by the top of the wind turbine. Printed along the rim at the bottom of the reverse is the German legend "ERNEUERBARE ENERGIE", which translates as "renewable energy".
"Robotik" coin (2011)[edit | edit source]
The 25 euro coin struck by the Austrian Mint in 2011, entitled "Robotik" (English: "Robotics"), features robotics, a field concerning electronics and mechanics, as its main motif. Helmut Andexlinger was commissioned to design the obverse of the piece while the task of engraving the reverse was given to Thomas Pesendorfer. The niobium center is red in color, a reference to Mars, which is used as the motif for the reverse of the coin.
A robotic version of the Vitruvian Man, which was created by Leonardo da Vinci (1452–1519) in 1490, is displayed in the "pill" on the obverse, partially enclosed within a square box. The value "25 EURO" is engraved into the niobium underneath the right arms (at the left) of the robot. At the bottom right side of the coin are three large gears, two of which being partially located in the niobium center as well as the silver ring. Such objects represent the mechanical aspects of robotics. Starting at the left portion of the obverse and extending to different parts of the piece are strings of binary, representing the electronics and computing involved in robotics. The state title "REPUBLIK ÖSTERREICH" is written along the periphery of the coin inside the silver ring, starting at the left side of the obverse and concluding at the top of the coin. Printed in smaller font after the end of the word "OSTERREICH" is the date "2011". "ROBOTIK" is inscribed in the silver near the bottom of the coin, starting at the lower left periphery and ending underneath the second right leg (at the left) of the robotic Vitruvian Man.
The mountainous landscape of the planet Mars is depicted in the center of the reverse, with the starry sky shown above it in the outer ring. Displayed in the foreground is the ExoMars rover, a planned robotic Mars rover being developed by the European Space Agency (ESA). The "TP" initials of Thomas Pesendorfer are printed in the silver ring, to the left of the rover in small print. Featured to the right of the rover are grid coordinates ranging from "1150" to "1400" and raising by increments of 50. A depiction of the earth focused on Europe and northern Africa is displayed in the ring at the bottom left periphery. Printed along the bottom rim of the coin is the German text "MARS-ROBOTER", which translates to English as "Mars robot".
|Coin of the Year Awards|
"Bionik" coin (2012)[edit | edit source]
The 25 euro coin issued by the Austrian Mint in 2012, entitled "Bionik", uses bionics, the application of biological methods and systems to engineering, as its main motif. Its obverse was engraved by Thomas Pesendorfer while its reverse was designed by Herbert Wähner. The niobium center of the coin is purple in color.
Featured in the "pill" on the obverse is the shell of the chambered nautilus (Nautilus pompilius), a natural object that has inspired many architectural works. The date "2012" is printed over a portion of the shell, while the value "25 EURO" is written on two separate lines near the opening of the shell. A soaring eagle is present above the nautilus, with small portions of its wings extending into the ring. Shown in the middle of a rounded border in the silver is an airplane, whose wing partially extends into the purple niobium center. These two illustrations convey that the mechanics of a bird's flight inspired aviation. Featured in the ring at the very left of the coin is a lotus plant (Nelumbo) inside of a circular border, and underneath it is a shark in the center of a similar boundary. Both of these organisms were essential in the development of paint, as the surface of a lotus flower and the skin of a shark are naturally repellent to water. The state title "REPUBLIK ÖSTERREICH" is written along the bottom periphery of the coin, starting to the right of the image of the shark and extending upwards to the upper right rim.
Displayed in the foreground of the reverse is a radiolarian, a type of zooplankton that inspired Spanish architect Antoni Gaudí. The Olympic Stadium in Munich, whose roof was based on findings in bionics, is featured in the background. At the upper left side of the coin, in the silver ring, several hexagonal molecules are present. Printed at the very top of the coin is the German "BIONIK".
Tunnel coin (2013)[edit | edit source]
Partially located in the Alps, Austria is a highly elevated country known for its mountainous landscape. As such, the establishment of tunnels running through the mountains was necessary to facilitate travel. In 1848 the world's first alpine tunnel, the vertex tunnel of the Semmering Railway, was opened. Since then, the Republic of Austria has been influential in revolutionizing the tunnel constructing process, particularly with its "New Austrian Tunneling Method". In recognition of the importance of building tunnels, the Austrian Mint used tunneling as the main motif for its 2013 25 euro coin. Such a coin, with its icy blue niobium "pill", was designed by artist Herbert Wähner.
A contemporary tunnel boring machine is featured on the obverse, most of it located in the niobium center and a small portion engraved in the silver ring. Counterclockwise arrows are shown around the machine, signifying the borer is turning in that direction. The mountain through which the machine is creating a tunnel is visible in large portions of the outer silver ring. Inscribed along the rim is the German state title "REPUBLIK ÖSTERREICH", commencing at the lower left rim, arching at the bottom, and concluding near the upper right periphery. The value "25 EURO" is printed on two horizontal lines at the top left side of the coin, the year "2013" written beneath it.
One of the many alpine tunnels located in Austria is featured in the center of the coin's reverse, a small portion extending into the ring. In the silver at the upper left rim of the coin is a schematic view of the fortifications for an early alpine tunnel, and at the right is a tunnel worker using a pneumatic jackhammer to break through rock. The German word "TUNNELBAU", which could translate to English as "tunneling" or "tunnel construction", is arched around the periphery at the bottom of the coin.
|Coin of the Year Awards|
Evolution coin (2014)[edit | edit source]
The theory of evolution essentially states that there is change in characteristics of biological populations over time. Charles Darwin (1809–1882) was the first to form a scientific argument for the theory by means of natural selection. Later, the decoding of deoxyribonucleic acid (DNA) by Francis Crick (1916–2004), James Watson (1928–), and Maurice Wilkins (1916–2004) became an influential milestone concerning the theory. In 2014 the Austrian Mint issued a 25 euro coin dubbed "(R)evolution", which featured evolution as its motif. It was designed by Helmut Andexlinger. The niobium in the center is green and light blue, making the 2014 piece the first coin in the world featuring two colors of niobium. The background of the "pill" is a dark green while the primary attributes are light blue. On its website the Austrian Mint described its success in using two colors as revolutionary, hence the name given to the coin.
Featured in the foreground of the obverse is a strand of DNA, a large portion in the center and a smaller part in the ring. To the right of the DNA three items — from the top down a beaker containing a bubbling fluid, a microscope, and a caduceus featuring one serpent and lacking wings — are present, each in a hexagonal frame. "DNA" is printed below the hexagon containing the caduceus, while "RNA" (standing for "ribonucleic acid") is written to the right of the hexagon displaying the microscope. A depiction of RNA accompanies the text, and is featured at the bottom right corner of the obverse, partially extending into the ring. A grid background is used on all portions of the design to the right of the DNA. The state title "REPUBLIK ÖSTERREICH" is printed along the upper periphery of the coin in the silver, and be followed by the date "2014". Inscribed near the beginning of the state title is the value "25 EURO", the two items separated by a small bullet point. The word "EVOLUTION" is written at the very bottom of the obverse.
Displayed at the top center of the reverse is a circular border containing mushrooms, a flower, a fish, and a frog. At the upper left is a toucan in a circle, and from the center to the right periphery an incomplete theoretical evolution process for humans is illustrated, starting with a monkey, continuing with a primitive member of the Homo genus, and ending with a human male. A strand of DNA is present at the bottom of the coin, in the silver ring.
|Coin of the Year Awards|
Cosmology coin (2015)[edit | edit source]
Cosmology, the science of the origin and development of the universe, has been studied and considered since some of the world's earliest civilizations, such as Mesopotamia and Ancient India. Over the centuries, various theories and beliefs have been established concerning the creation of the universe, and in recent decades science has made steps to further research cosmology. In 2015 the Austrian Mint issued a commemorative 25 euro coin with cosmology as its main motif. It was designed by Helmut Andexlinger, and was released on January 21 of the year. Following the example of the 2014 "(R)evolution" coin, the niobium "pill" of the 2015 piece includes two colors. The background is a dark blue, embodying space, while some of the primary features and the border between the "pill" and ring are yellow, representing the stars.
Featured in the center of the obverse is an illustration showing the Rosetta spacecraft, the first spacecraft to orbit a comet, in the foreground. To the right, in the background, is Saturn with its rings. Additionally, several stars and other planets are displayed in the background, significantly smaller in size than Saturn and the comet, indicating a farther distance. All of the aforementioned elements are shown in yellow, excluding a handful of the stars and planets, which blend into the blue background. Arched in a counterclockwise direction along the lower left portion of the "pill" is the German word "KOSMOLOGIE" (English: "Cosmology"). A circular yellow border separates the contents of the center from those of the silver ring. At the left portion of the ring, over a decorative background, are (from the top down) two sinusoidal waves; Boltzmann's entropy formula, ; a diagram; the escape velocity formula , derived from Newtonian works; and the escape velocity on Earth, which is written on the coin as . In the latter-most of these elements, "Erde" refers to "Earth". The "S" in the first equation is partially cut off by the coin's rim, the diagram by the rim and the "pill", the escape velocity equation at the "G" by the "pill", and the the "E" in "Erde" and "m" in "km" respectively by a stylistic element by the rim and the "pill". The Austrian state title "REPUBLIK ÖSTERREICH" is printed clockwise from the upper to upper right periphery of the piece, while the face value "25 EURO"is engraved counterclockwise along the right rim, the two texts separated by a small square point. The date "2015" appears at the bottom of the piece in a background containing various stylized stars.
Featured at the bottom left portion of the reverse, extending from the ring into the niobium center, is the European Extremely Large Telescope (E-ELT), an astronomical observatory being built in Atacama Desert in northern Chile that is planned for completion in 2022. The remainder of the "pill" is occupied by an illustration of Venus, Earth, and Mars in their orbits, along with the orbit of Mercury, which itself is fully concealed by the image of the telescope. In the background several stars and small planets are engraved. All of the aforementioned reverse elements are yellow in color, excluding the telescope, which appears as part of the blue features, and some of the stars and planets. As on the obverse, the niobium center of the piece and silver ring are separated by a circular yellow boundary. A depiction of the cosmological concept of the multiverse is shown at the upper right periphery of the ring, captioned by the German "MULTIVERSUM", which extends partially into the "pill". Next to it, at the top of the piece, is a depiction of the universe captioned by "UNIVERSUM". A galaxy is illustrated at the right rim, the German "GALAXIE" written horizontally above, and an image representing a solar system is shown near the bottom of the piece, accompanied by "SONNENSYSTEM".
Time coin (2016)[edit | edit source]
Microcosm coin (2017)[edit | edit source]
References[edit | edit source]
- Euro gold and silver commemorative coins (Austria) on the English Wikipedia
- Austrian Mint online shop
- Numismaster – Coin of the Year Awards
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