Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.

1937 Doubled Die Obverse Buffalo Nickel
A doubled die variety of the 1937 Buffalo nickel showing visible doubling in the obverse date and lettering, collected alongside other notable varieties from the final years of the Buffalo nickel series.
Errors & Varieties
1969-S Doubled Die Lincoln Cent
A rare and valuable San Francisco Mint doubled die error from 1969, showing strong hub doubling on the obverse date and lettering.
Errors & Varieties
1995 Doubled Die Lincoln Cent
A widely collected doubled die variety showing clear doubling on LIBERTY and IN GOD WE TRUST on the obverse, notable for being far more available in circulation than earlier famous Lincoln cent doubled dies.
Errors & Varieties
1972 Doubled Die Lincoln Cent
A famous Lincoln cent error showing strong doubling on the obverse date and lettering, caused by a misaligned die hub during production at the Philadelphia Mint.
Errors & Varieties
1936 Doubled Die Lincoln Cent
A doubled die obverse variety of the 1936 wheat cent showing visible doubling in the date and lettering, recognized in two distinct doubling strengths by collectors.
Errors & Varieties
Byzantine Gold Tremissis
A small gold fractional coin worth one-third of a solidus, widely struck across the early Byzantine world and imitated by Germanic successor kingdoms in the former Western Roman Empire.
Ancient
French 2 Francs (Silver)
A workhorse French silver denomination struck across the Napoleonic, Restoration, and Republican eras, later famous for the Semeuse (Sower) design.
European
Postumus Antoninianus
Radiate coin of Postumus, the general who broke away from Rome to found the separatist Gallic Empire covering Gaul, Britain, Germania, and Hispania during the Crisis of the Third Century.
Ancient
Bolivia 8 Soles Silver
An early Bolivian republican silver coin denominated in soles, struck at Potosí in the decades following independence before the boliviano currency system replaced it.
Latin American
Magnentius Double Centenionalis
A large bronze coin of the usurper Magnentius featuring one of the earliest large Christian Chi-Rho symbols on Roman coinage.
Ancient
Probus Antoninianus
Radiate coin of Probus, a capable soldier-emperor who defended the frontiers against Germanic incursions and issued coinage noted for elaborate consular and military portrait styles.
Ancient
Peru 8 Reales (Lima Mint)
The flagship silver dollar-size coin of colonial and early republican Peru, struck at the historic Lima mint from cob and pillar types through crowned-shield busts.
Latin American
French 5 Francs Hercules
A large silver crown depicting an allegorical Hercules flanked by Liberty and Equality, struck at pivotal republican moments in French history as a statement of civic ideals.
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