Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Colombian 8 Reales (Nueva Granada)
The classic Spanish colonial "piece of eight" struck at the mints of Bogotá and Popayán, continuing in modified form after Colombian independence before decimal reform.
Latin American
Nepal Silver Mohar
A traditional silver denomination issued by the Malla city-kingdoms and later the unifying Shah dynasty of Nepal, typically bearing Devanagari script rather than portraits.
Asian
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
Panama-Pacific $50 Gold (Round)
A massive round commemorative gold piece struck for the 1915 Panama-Pacific International Exposition, one of the rarest and most valuable U.S. commemorative coins ever issued.
Commemorative
Spanish 2 Reales Pillar
The Pillar 2 Reales was a fractional Spanish colonial silver coin featuring the famous Pillars of Hercules design, struck at mints across Spanish America and widely used in international trade.
Latin American
Argentina 8 Reales
Silver 8 reales struck after Argentina's 1810 independence movement, replacing the Spanish king's portrait with the revolutionary Sun of May and clasped hands design.
Latin American
Netherlands 2½ Gulden
The largest regularly circulating silver coin of the Kingdom of the Netherlands, popularly nicknamed "rijksdaalder," featuring the reigning monarch's portrait across more than a century of Dutch coinage.
European
US Bicentennial Quarter (1976)
A special dual-dated quarter struck to celebrate the 200th anniversary of American independence, featuring a colonial drummer boy on the reverse in place of the usual eagle.
United States
Mexican 8 Reales Cap and Rays
The classic silver dollar of independent Mexico, showing a radiant Phrygian liberty cap over mountains, widely trusted and traded across the Americas and Asia for most of the 19th century.
Latin American
2000-P Sacagawea/Washington Quarter Mule
An extraordinarily rare mint error pairing the golden Sacagawea dollar obverse with a Washington quarter reverse die, one of the most famous modern mule errors in U.S. coinage.
Errors & Varieties
Aurelian Antoninianus
Radiate coin of Aurelian, the soldier-emperor who reunited the fractured Roman Empire and enacted a major coinage reform introducing standardized silver content marked with XXI or KA.
Ancient
Augustus Aureus Gaius and Lucius Caesar
One of the most common ancient gold coins, an Augustus aureus honoring his grandsons and intended heirs Gaius and Lucius Caesar, both of whom died young.
Ancient
Spanish Colonial 8 Reales Ferdinand VII
A large silver 8 reales coin struck across Spain's American colonies bearing the portrait of King Ferdinand VII, widely circulated internationally and historically linked to the origin of the US dollar sign.
World
Egyptian Farouk 5 Piastres
Silver five-piastre coin of the Kingdom of Egypt struck during the reign of King Farouk, featuring his portrait or cipher alongside Arabic denomination legends.
Africa & Oceania
Joachimsthaler
Struck beginning in 1520 in the Bohemian silver-mining town of Joachimsthal, this large silver coin gave its name, shortened to 'thaler' and later 'dollar,' to countless currencies around the world.
European
South African Sixpence (Union)
Small silver sixpence of the Union of South Africa, known for its protea flower reverse, circulated from the 1920s through the transition to decimal currency.
Africa & Oceania
Kai Yuan Tong Bao Cash
A landmark Tang dynasty cash coin whose four-character reign-title inscription became the standard template for Chinese, and much of East Asian, coinage for the next 1,300 years.
Ancient
South African Union Silver Crown (5 Shillings)
Large silver crown of the Union of South Africa, struck periodically from the late 1940s, featuring a springbok reverse and occasional special commemorative designs.
Africa & Oceania
Tokelau Silver Series
A family of novelty-themed silver bullion coins issued in the name of Tokelau, a New Zealand territory, often featuring innovative designs like rotating or gyroscopic elements.
Africa & Oceania
Eukratides I Gold Stater (Baktria)
A gold stater of Eukratides I, the powerful Greco-Bactrian king best known for issuing the largest gold coin surviving from antiquity, depicting the divine twins Dioskouroi on horseback.
Ancient
Vietnamese Gia Long Thong Bao (cash coin)
The founding cash coin of Vietnam's Nguyễn Dynasty, cast under Emperor Gia Long who reunified the country in 1802 and established Huế as the imperial capital.
Asian
Gold Panda (China)
China's flagship gold bullion coin, issued since 1982 with a different panda design nearly every year, making the series a favorite among both bullion buyers and date-and-design collectors.
Bullion
Lysimachos Tetradrachm (Alexander/Athena)
A silver tetradrachm struck by King Lysimachos, one of Alexander the Great's successors, showing the deified Alexander with a ram's horn and a seated Athena on the reverse.
Ancient
1864 Two-Cent Piece
The debut year of the two-cent piece, the first US coin to bear the motto In God We Trust, issued in Small Motto and Large Motto varieties.
United States