- "Portuguese 1 dobra coin" redirects here. For the coin issued during the reign of Peter I (1357-1367), see Coins of Peter I of Portugal.
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The 8 escudo or 1 dobra coin is a circulation coin that was issued by the Kingdom of Portugal from 1722 to 1732, during the reign of King John V (Portuguese: João V; 1689–1750). The piece was produced at the Casa de Moeda in Lisbon. It is the highest-denominated issued coin of the Portuguese real, having carried a legal tender face value equivalent to 12,800 reis prior to its eventual demonetization. Coins with higher values of 16,000 reis and 16 and 24 escudos were produced, but never put into circulation.
The 8 escudo coin is composed of .917 fine gold, weighs approximately 28.6 grams, and measures 36 millimeters in diameter. A laureate, right-facing portrait of King John V is engraved in the center of the obverse. Starting at the coin's left periphery and extending to the coin's right is the Latin legend "IOANNES.V.D.G.PORT.ET.ALG.REX" (English: "John V, by the Grace of God, King of Portugal and the Algarve"). Below the likeness of the king is the date, and if struck in 1724, an "L" mint mark for Lisbon. The coat of arms of Portugal, which consists of five escutcheons surrounded by a bordure charged with seven castles, is displayed inside a cartouche on the reverse.