Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Roman Denarius
The workhorse silver coin of ancient Rome for over four centuries, used across the Republic and Empire and one of the most widely collected categories of ancient coinage today.
Ancient
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
Amphipolis Apollo Tetradrachm
Silver tetradrachm of Amphipolis in Macedon, famous for its masterfully engraved three-quarter facing head of Apollo, widely regarded as a high point of Greek coin art.
Ancient
Domitian Denarius
Silver coin of the last Flavian emperor, Domitian, whose lengthy autocratic reign produced abundant, well-struck denarii before his assassination and damnatio memoriae.
Ancient
American Silver Eagle
The official one-ounce silver bullion coin of the United States, first struck in 1986, pairing Adolph Weinman's Walking Liberty design with a modern heraldic eagle.
Bullion
British Crown
Valued at five shillings, the British crown is a large silver (and later cupro-nickel) coin with a production history stretching from Tudor England to modern commemorative issues.
British
Australian Gold Sovereign (Sydney Mint)
Gold sovereign struck at the Sydney Mint, Australia's first branch mint, opened to coin gold from the New South Wales gold rushes into imperial currency.
Africa & Oceania
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
Chinese Platinum Panda
China's platinum bullion coin series, sister to the famous Gold Panda, featuring a new panda design nearly every year since its 1987 debut.
Bullion
British Queen's Beasts Silver Series
A ten-coin Royal Mint bullion series honoring the heraldic Queen's Beasts statues from Queen Elizabeth II's 1953 coronation, issued 2016-2021.
British
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
Gold Sovereign
Iconic British gold pound coin, revived in 1817 with Benedict Pistrucci's celebrated St George and the Dragon design, struck for centuries in London and branch mints worldwide.
British
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
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
Netherlands East Indies VOC Duit
Copper coin struck by the Dutch East India Company (VOC) for circulation in its Asian trading territories, a common relic of 18th-century colonial commerce.
Asian
Japanese Meiji Gold 20 Yen
The largest and highest-denomination gold coin of Meiji-era Japan, featuring an imperial dragon design, struck to underpin Japan's modern gold-backed currency system.
Asian
Finnish Markka
Finland's national currency from the era of Russian imperial rule until the adoption of the euro, issued in a range of coin denominations reflecting the country's changing political history.
European
Diocletian Follis
Large bronze follis of Diocletian, whose sweeping reforms ended the Crisis of the Third Century, established the Tetrarchy, and introduced this new standardized coin denomination in 294 AD.
Ancient
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
Athenian Owl Dekadrachm
An extremely rare large-format silver coin of classical Athens, struck in only a handful of surviving examples and prized as one of the great rarities of ancient Greek numismatics.
Ancient
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
Gold Noble
England's first successful gold coin for general circulation, introduced in 1344 under Edward III, famous for its ship reverse commemorating English naval power.
British
Merovingian Gold Tremissis
A small gold coin of the Merovingian Frankish kingdom, worth one-third of a solidus, often naming the local moneyer who struck it rather than the reigning king.
European
Unite
A gold twenty-shilling coin introduced by James I in 1604 to celebrate the union of the English and Scottish crowns, its name literally symbolizing the joining of the two kingdoms.
British