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

Native American Dollar (Sacagawea Reverse Series)
A continuation of the Sacagawea dollar with an annually changing reverse honoring Native American history and culture, while keeping Sacagawea's portrait on the obverse.
United States
Aurelian Antoninianus
Radiate coin of Aurelian, the soldier-emperor who reunited the fractured Roman Empire and enacted a major coinage reform introducing standardized silver content marked with XXI or KA.
Ancient
Julian II Bull Bronze
A large bronze maiorina of Julian the Apostate with a bull reverse, associated with his brief attempt to revive traditional pagan worship in Rome.
Ancient
American Gold Buffalo
The first 24-karat gold coin struck by the U.S. Mint, adapting James Earle Fraser's classic Buffalo Nickel design for a modern bullion product.
Bullion
Buffalo Nickel
Beloved American five-cent coin featuring a Native American portrait and an American bison, designed by James Earle Fraser and celebrated for its distinctly American imagery.
United States
Royal Canadian Mint Colored Poppy Quarter (2004)
Canada's 2004 poppy quarter is widely credited as the world's first coin with a colored design produced for general circulation, honoring Canadian war remembrance with a red poppy at its center.
Commemorative
Australian Florin (pre-decimal)
Pre-decimal Australian silver florin worth two shillings, minted from 1910 until decimalization replaced it with the 20-cent coin in 1966.
Africa & Oceania
Australian Platinum Koala
Australia's platinum bullion coin from the Perth Mint, first struck in 1988 with a koala design that changes nearly every year.
Bullion
Canadian Platinum Maple Leaf
The Royal Canadian Mint's platinum bullion coin, launched in 1988 with the same maple leaf design used across Canada's precious metal coin lines.
Bullion
Anglo-Saxon Silver Sceat
Small, thick early Anglo-Saxon silver coin with enigmatic pagan and Christian imagery, the direct forerunner of the later English penny.
British
1889-CC Morgan Dollar
A major key date among Carson City Morgan dollars, with a low mintage of roughly 350,000 coins, making it one of the toughest CC-mint issues to find.
United States
Brazil 960 Reis
Brazilian silver coin created by overstriking Spanish colonial 8 reales with new Portuguese royal dies, issued after the Portuguese royal court relocated to Brazil.
Latin American
Chilean 50 Pesos Gold
A mid-sized Chilean gold coin issued as part of the 1926 gold standard reform, sharing the condor design theme with its larger and smaller companion denominations.
Latin American
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 Colonial Cob 8 Reales (Macuquina)
A crudely hand-struck Spanish colonial silver coin, cut from irregular silver bars and stamped with a cross and shield, famed worldwide as the original 'piece of eight'.
Latin American
Siamese Rama V Silver Baht
Western-style silver baht introduced under King Chulalongkorn (Rama V) of Siam, replacing centuries-old bullet money with modern flat coinage.
Asian
German Prussia 20 Mark Gold
The standard gold coin of Prussia within the newly unified German Empire, featuring successive Prussian kings and forming a key part of the empire's gold mark system.
European
German 3 Mark Silver
A large silver coin of Imperial Germany, issued by the various constituent states with distinct rulers' portraits and commemorative designs.
European
Gordian III Antoninianus
Radiate silver coin of Gordian III, who became sole emperor at about thirteen years old and reigned through Rome's costly war with Sassanid Persia.
Ancient
French 20 Franc Rooster
A French Third Republic gold coin replacing royal and imperial portraits with republican symbolism: Marianne on the obverse and a standing Gallic rooster on the reverse.
European
Spanish Gold Doubloon
A popular name for large Spanish colonial gold coins, typically two, four, or eight escudos, forever associated with pirate treasure and sunken Spanish galleons.
World
2010 Hot Springs America the Beautiful Quarter
The first coin in the America the Beautiful Quarters series, honoring Hot Springs National Park in Arkansas with an image of its historic bathhouse row.
United States
1918/7-S Standing Liberty Quarter Overdate
One of the most famous overdate varieties in U.S. coinage, where a leftover 1917 die was re-punched with an 1918 date, leaving remnants of the 7 visible beneath the 8.
Errors & Varieties
Italian Scudo (Papal States)
A large silver coin issued by the Papal States under successive popes, blending religious imagery with the temporal authority of the papacy.
European