Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
British India Gold Mohur (East India Company)
High-value gold coin issued by the East India Company and later the British Crown in India, used for major transactions and prized today for its gold content and classic portraiture.
Asian
German Empire 20 Mark Gold (Wilhelm II)
The standard gold coin of the German Empire under Kaiser Wilhelm II, struck at multiple state mints and widely collected for its imperial portrait and eagle reverse.
European
Cuba 4 Pesos Gold Jose Marti
A small gold denomination from Cuba's early republican-era gold coinage, part of a 1915–1916 series (1 through 20 pesos) struck to circulate on par with US gold currency.
Latin American
Spanish 20 Pesetas Gold (Alfonso XII)
Spain's standard gold coin of the Latin Monetary Union era, struck under King Alfonso XII following the restoration of the Spanish monarchy in the 1870s.
European
Italian 20 Lire Gold (Vittorio Emanuele)
The Kingdom of Italy's standard 20 lire gold coin, issued under kings including Vittorio Emanuele II, sharing the Latin Monetary Union's gold specifications with coins like the French Napoleon.
European
Indian Head Gold Quarter Eagle ($2.50)
A small early 20th-century $2.50 gold coin notable for its incuse design and Native American war bonnet portrait, designed by sculptor Bela Lyon Pratt.
United States
Type 3 Indian Princess Gold Dollar
The final and longest-running design of the U.S. gold dollar, featuring a larger, better-struck Native American princess portrait than its short-lived Type 2 predecessor.
United States
French Louis d'Or
The Louis d'Or was the principal gold coin of the French monarchy for over 150 years, named after the kings Louis who issued it, and struck until the eve of the Revolution.
European
French Ecu (Louis d'Argent)
France's principal large silver coin of the pre-revolutionary era, bearing the reigning king's portrait, used as the standard silver crown-sized coin for over a century before decimalization.
European
French Indochina Sarraut Piastre (1931)
A reduced-weight silver piastre introduced in 1931 for French Indochina after rising world silver prices made the older, larger trade piastre worth more in bullion than in face value.
Asian
French Indochina Piastre de Commerce
A large silver trade dollar issued by colonial French Indochina, weighted to match the Mexican and Spanish trade dollars already circulating throughout Southeast Asian and Chinese commerce.
Asian
Crown of the Double Rose
A gold coin introduced by Henry VIII in 1526 as part of his coinage reform, named for the crowned Tudor double rose on its reverse.
British
Classic Head Quarter Eagle
Struck from 1834 to 1839 after Congress reduced the gold weight of U.S. coins, this quarter eagle dropped the motto E PLURIBUS UNUM and features a simplified Liberty head.
United States
Double Sovereign
A British gold coin worth two pounds, twice the value of the standard sovereign, struck intermittently since the nineteenth century for commemorative and bullion purposes.
British
Aureus of Nero
The gold coin of Emperor Nero, whose AD 64 monetary reform reduced the aureus's weight standard alongside similar changes to the silver denarius.
Ancient
Guinea
Historic British gold coin named for the West African region that supplied much of its gold, valued at 21 shillings for most of its history and predecessor to the modern sovereign.
British
Aureus of Augustus
The gold coin of Rome's first emperor, Augustus, who standardized the aureus at roughly 1/40 of a Roman pound and set the gold standard for the empire.
Ancient
Third Guinea
A small gold coin worth one-third of a guinea, or seven shillings, struck under George III in the years leading up to the introduction of the modern sovereign.
British
Florentine Florin
Introduced in 1252, the gold florin of Florence became medieval Europe's leading trade coin, its lily emblem and fixed gold standard copied by dozens of other mints.
European
Mexican Libertad
Mexico's flagship bullion coin, featuring the Angel of Independence on the obverse and the national coat of arms on the reverse, prized for its classic design and high purity.
Bullion
Theodosius I Solidus
A gold solidus of Theodosius I, the last emperor to rule a united Roman Empire and the ruler who made Nicene Christianity the state religion.
Ancient
Quarter Guinea
A rarely issued small gold coin worth one-quarter of a guinea, struck only in 1718 under George I and again briefly in 1762 under George III.
British
Classic Head Half Eagle ($5)
A short-lived early American gold five-dollar coin created after the Coinage Act of 1834 reduced gold coin weight to keep coins in circulation rather than being melted.
United States
Sacagawea Golden Dollar
A golden-colored dollar coin introduced in 2000 depicting Sacagawea carrying her infant son, created to replace the unpopular Susan B. Anthony dollar in everyday commerce.
United States