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
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
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
Gupta Empire Gold Dinar
Richly detailed gold coins of India's classical Gupta Empire, depicting kings as archers, horsemen, or lyrists, and often paired with a goddess on the reverse.
Ancient
German Empire 5 Mark
A large silver crown of Imperial Germany bearing the portrait or arms of individual constituent states, unified under a common eagle reverse after German unification in 1871.
European
Australian Koala (Perth Mint)
A bullion coin series from Australia's Perth Mint featuring a different koala design nearly every year, prized by collectors for its changing artwork and high purity.
Bullion
Perth Mint Silver Swan
A silver bullion coin from the Perth Mint featuring the black swan, an emblem of Western Australia, with a fresh design issued in most years.
Bullion
Sovereign (Ottawa Mint, C Mintmark)
British gold sovereigns struck at the Ottawa branch of the Royal Mint between 1908 and 1919, marked with a small "C," making Canada part of the empire's global sovereign network.
Canadian
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
Peru 8 Reales (Lima Mint)
The flagship silver dollar-size coin of colonial and early republican Peru, struck at the historic Lima mint from cob and pillar types through crowned-shield busts.
Latin American
Bolivia 8 Reales (Potosi Mint)
A major Spanish colonial and early Bolivian silver dollar struck at the legendary Potosí mint, fed by the immense silver deposits of the Cerro Rico mountain.
Latin American
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
Royal Mint £5 Crown Commemorative
The modern British £5 coin descends from the historic crown and is issued almost exclusively for commemorative purposes, marking royal events, anniversaries, and national milestones.
Commemorative
Australian Lunar Series (Perth Mint)
Modern Australian bullion and collector coin series from the Perth Mint featuring a different Chinese zodiac animal each year, popular worldwide with precious metal collectors.
Bullion
New Zealand Mint Silver Kiwi
A popular silver bullion coin from the New Zealand Mint depicting the flightless kiwi bird, with a design refreshed most years since its debut.
Bullion
Chinese Empire Silver Dollar (Hsuan Tung Dragon)
A late Qing dynasty silver dollar issued during the brief Hsuan Tung (Xuantong) reign of the last emperor, featuring an imperial dragon design.
Asian
Korean 1 Yang Silver (Joseon/Great Han Empire)
Silver 1 Yang coin from Korea's late Joseon currency reform of the 1890s, part of the kingdom's first modern, machine-struck decimal coinage.
Asian
Carson City Morgan Dollar (CC Mint)
Morgan silver dollars struck at the Carson City Mint, identified by the small CC mintmark, prized for their Wild West mystique and generally lower mintages than Philadelphia or New Orleans issues.
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
Constantine URBS ROMA Commemorative
A small bronze commemorative honoring the city of Rome with a helmeted Roma obverse and the iconic she-wolf suckling Romulus and Remus on the reverse.
Ancient
Crown of the Double Rose
A gold coin introduced by Henry VIII in 1526 as part of his coinage reform, named for the crowned Tudor double rose on its reverse.
British
Rose Noble (Ryal)
A large English gold coin first struck under Edward IV in 1465, showing the king standing in a ship, and later revived in the Tudor era as a heavier, higher-value gold piece.
British
Rhodes Rose and Helios Tetradrachm
A silver tetradrachm from the island of Rhodes, pairing a radiant frontal head of the sun god Helios with the island's punning emblem, a rose.
Ancient
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