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

Liberty Head Double Eagle
A large gold twenty-dollar coin featuring Liberty's coronet-crowned head, struck for decades amid the California Gold Rush and westward mint expansion.
United States
Venetian Gold Ducat
First struck in 1284, the Venetian gold ducat became medieval Europe's most trusted trade coin, prized for centuries for its unwavering weight and purity.
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
Parthian Silver Drachm
Long-running silver coin of the Parthian Empire, showing the king's portrait on the obverse and the dynasty's founder as a seated archer on the reverse.
Ancient
Decimal New Penny
The UK's smallest decimal coin, introduced on Decimal Day, 15 February 1971, inscribed "NEW PENNY" until 1982.
British
Republican Quinarius
A half-denarius silver coin of the Roman Republic, often depicting the twin gods Castor and Pollux (the Dioscuri) riding on horseback.
Ancient
Japanese Oban
A large, oval, hand-hammered gold plate coin of feudal Japan, used mainly as a gift, reward, or ceremonial item rather than everyday currency, among the largest gold coins ever issued.
Asian
Egyptian 10 Piastres (silver)
A workhorse silver coin of Khedival, Sultanate, and Kingdom-era Egypt, one-tenth of a pound and commonly found in worn circulated grades from decades of daily use.
Africa & Oceania
Ottoman Gold 500 Kurus (Abdulhamid II)
A substantial gold coin struck under Sultan Abdulhamid II, equal to five Ottoman lira, bearing his tughra and used both for circulation and as a store of wealth.
World
Canadian Palladium Maple Leaf
The Royal Canadian Mint's palladium bullion coin, sharing the Maple Leaf design used across Canada's precious metal series, produced intermittently since 2005.
Bullion
Colombian Peso Silver
Colombia's traditional silver dollar-sized coin, struck across different eras of the country's political evolution, from Nueva Granada through the modern Republic of Colombia.
Latin American
Philippine 50 Centavos (Commonwealth, 1936)
A special 1936 silver 50-centavo coin marking the establishment of the Commonwealth of the Philippines, issued in two paired-portrait varieties honoring Quezon alongside Murphy or Roosevelt.
Asian
Papal States Scudo
The principal silver coin of the Papal States, bearing the portrait or arms of the reigning pope alongside religious imagery, struck for centuries until the Papal territories' loss of independence.
European
Netherlands Lion Daalder (Leeuwendaalder)
A large silver trade coin of the Dutch provinces showing a knight and a rampant lion, widely circulated in colonial North America and the Ottoman world as the prototype 'lion dollar.'
European
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
George V Fifty Cents
Canada's fifty-cent silver coin issued under King George V, spanning a reduction in silver fineness in 1920 and including the famously rare 1921 date.
Canadian
Capped Bust Half Dime
Struck between 1829 and 1837, the Capped Bust Half Dime brought a smaller, mechanically consistent version of the Capped Bust design to America's smallest silver coin.
United States
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
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
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
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
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
Liberty Head Eagle ($10)
A long-running 19th-century gold coin featuring Christian Gobrecht's Coronet Head design, minted at numerous branch mints across the expanding United States.
United States
Kennedy Half Dollar
A half dollar issued starting in 1964 to honor assassinated President John F. Kennedy, quickly becoming a widely saved and collected commemorative-style circulating coin.
United States