Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.

Kellogg & Co. Gold Piece
Private gold coinage struck by the San Francisco firm Kellogg & Co. during the California Gold Rush, including the famous octagonal fifty-dollar 'slug' of 1855, filling a shortage of circulating coin.
United States
Victoria Fifty Cents (half dollar)
Canada's silver fifty-cent piece struck under Queen Victoria from 1870 to 1901, featuring her portrait and a heraldic shield-and-wreath reverse.
Canadian
French Indochina Sarraut Piastre (1931)
A reduced-weight silver piastre introduced in 1931 for French Indochina after rising world silver prices made the older, larger trade piastre worth more in bullion than in face value.
Asian
Sacagawea Golden Dollar
A golden-colored dollar coin introduced in 2000 depicting Sacagawea carrying her infant son, created to replace the unpopular Susan B. Anthony dollar in everyday commerce.
United States
Nickel Three-Cent Piece
A post-Civil War small coin struck in copper-nickel to replace the fragile silver three-cent piece and small-denomination paper currency then in circulation.
United States
Spanish 8 Reales Portrait Dollar
The globally trusted "Spanish dollar" bearing a king's portrait, minted across Spain's vast colonial empire and so widely circulated it directly inspired the U.S. dollar sign and denomination.
European
Constantius II Centenionalis
A bronze centenionalis of Constantius II featuring the dramatic 'Fallen Horseman' reverse, one of the most famous designs of the Late Roman Empire.
Ancient
1916 Standing Liberty Quarter
The extremely low-mintage first-year issue of the Standing Liberty quarter, one of the most famous key dates in all of United States coinage.
United States
Flying Eagle Cent
The first small-size U.S. cent, introduced in 1856 to replace the large copper cent, featuring a flying eagle obverse designed by James B. Longacre.
United States
1851 Silver Three-Cent Piece
The first-year issue of the tiny Type I silver three-cent piece, nicknamed the trime, created to ease a national shortage of small change and postage-stamp coinage.
United States
British Trade Dollar
A silver trade dollar struck by Britain to compete with the Mexican and Spanish dollars circulating across Hong Kong, China, and Southeast Asia.
Asian
Gothic Crown
An ornate Victorian silver crown featuring a young Queen Victoria in Gothic-script lettering, widely admired as one of the most artistically accomplished coins in British history.
British
French Indochina Piastre de Commerce
A large silver trade dollar issued by colonial French Indochina, weighted to match the Mexican and Spanish trade dollars already circulating throughout Southeast Asian and Chinese commerce.
Asian
Japanese Meiji Gold 20 Yen
The largest and highest-denomination gold coin of Meiji-era Japan, featuring an imperial dragon design, struck to underpin Japan's modern gold-backed currency system.
Asian
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
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
Guptas 'Horseman' Silver Coin
Silver coin of the Gupta Empire showing the king on horseback, struck after Gupta conquest of western India in imitation of earlier Western Kshatrapa silver coinage.
Ancient
Fifty Pence
The UK's distinctive seven-sided 50p coin, introduced in 1969 to replace the ten shilling note ahead of decimalisation.
British
Classic Head Quarter Eagle
Struck from 1834 to 1839 after Congress reduced the gold weight of U.S. coins, this quarter eagle dropped the motto E PLURIBUS UNUM and features a simplified Liberty head.
United States
Standing Liberty Quarter
An early 20th-century silver quarter featuring a striding figure of Liberty, prized for its artistic Type I 'bare breast' design and later modified Type II version.
United States
1805 Draped Bust Quarter
A far more available date than the famous 1804, the 1805 quarter is a popular representative of the Draped Bust, Heraldic Eagle type for collectors building an early American type set.
United States
Sesquicentennial of American Independence Quarter Eagle
A $2.50 gold commemorative issued for the 150th anniversary of American independence, showing a standing Liberty with the Declaration of Independence and Independence Hall.
Commemorative
Panama-Pacific Quarter Eagle Commemorative
A 1915 commemorative gold coin honoring the Panama-Pacific Exposition, showing Liberty riding a hippocampus (sea horse), symbolizing the Panama Canal's linking of the Atlantic and Pacific Oceans.
Commemorative
2008 Hawaii State Quarter
The final release of the 50 State Quarters Program, honoring Hawaii with an image of King Kamehameha I extending his hand over the Hawaiian islands.
United States