Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
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
Edward VII Ten Cents
Canada's silver ten-cent coin struck during the brief reign of King Edward VII, bridging the Victorian and Georgian eras of Canadian coinage design.
Canadian
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
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
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
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
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
1901-S Barber Quarter
The single rarest business-strike coin in the Barber quarter series, with an extremely small San Francisco mintage that makes even heavily worn examples valuable.
United States
1796 Draped Bust Quarter
The very first quarter dollar struck by the United States Mint, a one-year type coin with a tiny mintage that is treasured by collectors of early American silver.
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
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
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
Guatemala Quetzal Silver
Guatemala's modern national currency unit, named after the resplendent quetzal bird, introduced in the 1920s with a substantial silver coin marking the country's monetary modernization.
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
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
Vietnamese Silver Bar (Lang / Thoi Bac)
Traditional Vietnamese ingot currency from the Nguyen Dynasty, cast or hammered silver bars denominated in lang (tael) rather than struck as round coins.
Asian
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
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
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
Bluenose Ten Cents (dime)
Canada's iconic ten-cent coin featuring the famous racing and fishing schooner Bluenose, a design introduced in 1937 that remains in use on the modern dime today.
Canadian
Valerian Antoninianus
Radiate coin of Valerian, the only Roman emperor ever captured alive by a foreign enemy, taken prisoner by the Sassanid king Shapur I in 260 AD.
Ancient
Roman Republic Denarius
The workhorse silver coin of the Roman Republic, introduced during the Second Punic War and struck by a long line of moneyers with ever-changing, often political, designs.
Ancient