Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Roman Aureus of Augustus
A gold coin struck under Rome's first emperor, Augustus, marking the establishment of a stable imperial gold coinage that funded and symbolized the new Roman Empire.
Ancient
Saint-Gaudens Double Eagle
Widely regarded as one of the most beautiful U.S. coins ever produced, designed by sculptor Augustus Saint-Gaudens at the urging of President Theodore Roosevelt.
United States
1891 Seated Liberty Quarter
The final year of the long-running Seated Liberty quarter design before it was replaced by the Barber quarter in 1892, popular as an affordable closing-date type coin.
United States
1893-S Morgan Dollar
The undisputed key date of the Morgan dollar series, struck at San Francisco with the lowest mintage of any regular-issue Morgan, roughly 100,000 coins.
United States
Sacagawea Dollar
A golden-colored, manganese-brass dollar coin (2000-present) depicting Sacagawea carrying her infant son, replacing the Susan B. Anthony dollar.
United States
Austrian 100 Corona Gold
A large gold coin of Austria-Hungary bearing Emperor Franz Joseph I, popular today as a bullion and collector piece thanks to its restrike program.
European
French 10 Francs Gold (Napoleon Rooster)
A small French gold coin from the Third Republic featuring the Gallic rooster reverse, a smaller companion to the famous 20 francs 'Coq' gold piece.
European
German Hamburg Ducat
A small, exceptionally high-purity gold trade coin struck for centuries by the free city of Hamburg, prized for its consistent fineness and long production history.
European
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
Vespasian Judaea Capta Sestertius
A large bronze coin of Emperor Vespasian commemorating Rome's suppression of the Jewish Revolt, showing a mourning captive beneath a palm tree with the legend IVDAEA CAPTA.
Ancient
Marcus Aurelius Denarius
The silver coin of the philosopher-emperor Marcus Aurelius, struck during years of war and plague, reflecting a reign celebrated for its Stoic ideals amid crisis.
Ancient
Hadrian Denarius
The silver coin of Emperor Hadrian, famous for its extensive 'travel series' honoring the provinces he visited during his unusually extensive tours of the empire.
Ancient
1794 Flowing Hair Dollar
The very first silver dollar struck by the United States Mint, produced in extremely limited numbers and ranking among the most valuable American coins in existence.
United States
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
Spanish 8 Reales (Piece of Eight)
The legendary 'piece of eight,' Spain's silver dollar-sized coin that became the world's first truly global currency and the direct ancestor of the U.S. dollar.
World
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
Persian Sassanid Silver Drachm
The standard silver coin of the Sasanian Persian Empire, showing an elaborately crowned royal bust and a Zoroastrian fire altar with attendants, struck for over four centuries.
Ancient
Brazilian 2000 Reis Silver
The largest common silver coin of the Brazilian Empire, bearing the portrait of Emperor Pedro II across several design types spanning his long reign.
Latin American
Brazilian 6400 Reis Gold (Peça)
A substantial colonial Brazilian gold coin nicknamed the "peça" (piece), widely known abroad as the "Johannes" or "Joe," and once common in trade across the Atlantic world.
Latin American
Bolivian Boliviano Silver
Bolivia's national currency unit, the boliviano, was introduced in the 1860s as a substantial silver coin and remains the country's monetary unit in modern, non-silver form.
Latin American
Seljuk Copper Fals
Base-metal copper coin of everyday commerce in the Seljuk Turkish world, notable for unusually rich figural imagery such as lions, suns, and double-headed eagles.
Asian
Austrian Gold Ducat
A traditional high-purity Austrian gold trade coin with centuries of history, still struck today by the Austrian Mint as an official restrike permanently dated 1915.
European
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
Philippine Peso (US Administration, 1903)
Silver one-peso coin struck for the Philippines under early American colonial administration, part of a new US-designed coinage system introduced in 1903.
Asian