Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1974 Aluminum Cent
An extremely rare experimental pattern struck in aluminum as a potential replacement for the copper cent amid rising metal costs, almost none of which were legally released to the public.
Errors & Varieties
1933 Double Eagle
One of the rarest and most legally contested U.S. coins, struck but never officially released for circulation after the nation left the gold standard; a single example sold for over $18 million.
United States
1873-CC Seated Liberty Quarter (No Arrows)
One of the great rarities of the Seated Liberty quarter series, this tiny Carson City issue predates the mid-1873 arrows-at-date modification and survives in only a handful of known examples.
United States
Greek Drachma
The modern national currency of Greece from shortly after independence until the adoption of the euro, reviving the name of the ancient Greek unit and featuring classical and historical imagery.
European
Liberty Head Half Eagle ($5)
A widely produced 19th-century gold five-dollar coin bearing Christian Gobrecht's Coronet Head design, struck across nearly every major American branch mint of the era.
United States
Mende Dionysos on Donkey Tetradrachm
A striking Classical-era silver tetradrachm from the wine-city of Mende, showing the wine-god Dionysos reclining drunkenly on a donkey, one of ancient coinage's most whimsical designs.
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
Louisiana Purchase Gold Dollar Commemorative
A 1903 commemorative gold dollar issued for the Louisiana Purchase Exposition in St. Louis, struck in two varieties featuring the portraits of Thomas Jefferson and William McKinley.
Commemorative
Type 2 Indian Princess Gold Dollar
A short-lived, notoriously weakly struck redesign of the U.S. gold dollar, prized today for its brief production window and the striking difficulties that led to its quick replacement.
United States
Austrian Corpus Christi Thaler
A devotional silver thaler struck by Austrian ecclesiastical authorities to mark the feast of Corpus Christi, blending religious procession imagery with the standard large-thaler format of the era.
European
Vermont Copper
Copper coinage struck under authority of the independent Vermont Republic in the 1780s, featuring an early landscape design and later a Britannia-style type.
United States
Persian Gold Toman (Qajar)
The principal gold coin of Qajar Persia, valued at ten silver kran, struck under a succession of shahs from the late 18th century until the dynasty's end in 1925.
Asian
Ethiopian Birr (Menelik II)
Silver birr introduced by Emperor Menelik II of Ethiopia, modeled on the weight and fineness of the Maria Theresa thaler, featuring his crowned bust and the Lion of Judah.
Africa & Oceania
Japanese 1 Yen Silver Coin
Japan's principal large silver coin of the Meiji era, featuring a coiled dragon, that became a major East Asian trade coin and a symbol of Japan's rapid currency modernization.
Asian
1900 Lafayette Dollar
The first United States commemorative silver dollar, struck in 1900 to help fund a statue of the Marquis de Lafayette presented to France at the Paris Exposition.
Commemorative
Venezuela 5 Bolivares 'Fuerte' Silver
A high-purity Venezuelan silver crown struck in 1911–1912, nicknamed the 'Fuerte' (strong) issue for restoring .900 fineness after decades of debased coinage.
Latin American
Vietnamese Tu Duc Thong Bao (cash coin)
A cast bronze or zinc cash coin issued under Emperor Tự Đức of Vietnam's Nguyễn Dynasty, round with a square center hole in the traditional East Asian style.
Asian
Kushan Gold Dinar
Gold coin of the Kushan Empire modeled on the Roman aureus standard, notable for depicting a rich blend of Greek, Iranian, Indian, and Buddhist deities on its reverse.
Ancient
Japanese Nishu-kin (gold coin)
Small rectangular gold coin from Tokugawa Japan valued at two shu, or one-eighth of a ryo, part of a fractional gold denomination system unique to Edo-period currency.
Asian
Chinese Pei Yang (Peiyang) Arsenal Dragon Dollar
Late Qing dynasty silver dollar struck at the Pei Yang Arsenal in Tientsin, prized by collectors for its dragon design and the rarity of certain dated varieties.
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
Portuguese Real
Portugal's centuries-old pre-decimal currency unit, used from the medieval era until the 1911 introduction of the escudo, also struck for Brazil and other colonies.
European
Hong Kong Silver Dollar (1866–1868, Victoria)
A short-lived silver dollar struck at Britain's ill-fated Hong Kong Mint, bearing a young portrait of Queen Victoria; the mint closed within two years.
Asian
Dutch Guilder (Gulden)
The guilder was the standard currency of the Netherlands for more than three centuries, struck in silver and later copper-nickel before being replaced by the euro in 2002.
European