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

Kroisos (Croeseid) Gold Stater of Lydia
A pure gold stater struck under King Croesus of Lydia, part of history's first coinage issued in separate fixed-purity gold and silver denominations.
Ancient
Presidential Dollar Series
A circulating dollar coin series honoring US presidents in order of service, featuring edge-lettered mottos and a shared Statue of Liberty reverse across every release.
United States
1984 Los Angeles Olympics Commemorative Dollar
The second year of a two-year US commemorative coin program, this 1984-dated silver dollar helped fund the Los Angeles Olympic Games and featured Olympic-themed artwork struck at three US mints.
Commemorative
US America the Beautiful Quarters
A successor to the State Quarters program honoring national parks and other national sites from every US state and territory, including a unique 5-ounce silver bullion companion series.
United States
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
US Seated Liberty Dollar
Mid-19th century American silver dollar showing Liberty seated on a rock, produced from 1840 until being replaced by the Trade Dollar in 1873.
United States
1971 Doubled Die Obverse Lincoln Cent
A doubled die obverse Lincoln cent from 1971 showing clear doubling in the date and lettering, one of several notable doubled die varieties struck during the early 1970s.
Errors & Varieties
1888/7 Morgan Dollar Overdate
A collector-recognized overdate die variety of the 1888 Morgan silver dollar, cataloged among the VAM series of Morgan dollar die varieties for specialists to pursue.
Errors & Varieties
1873 Doubled Die Two-Cent Piece
A doubled die variety from the final year of the short-lived two-cent piece, showing noticeable doubling in the date or lettering caused by a die hubbing misalignment.
Errors & Varieties
1936 Doubled Die Obverse Lincoln Cent
A collectible doubled die variety on the 1936 Lincoln wheat cent, known in a stronger, scarcer form and a weaker, more common form, both showing doubling in the obverse lettering.
Errors & Varieties
1995 Doubled Die Lincoln Cent
A widely collected doubled die variety showing clear doubling on LIBERTY and IN GOD WE TRUST on the obverse, notable for being far more available in circulation than earlier famous Lincoln cent doubled dies.
Errors & Varieties
1943/2-P Jefferson Nickel Overdate
A wartime Jefferson nickel overdate variety in which traces of an underlying 2 can be seen beneath the 3 in the date, created when a working die was re-hubbed with a different year's date.
Errors & Varieties
1946-S/D Jefferson Nickel Repunched Mintmark
A hand-punched mintmark variety on the 1946 Jefferson nickel showing remnants of a D beneath the final S, created when a die intended for one mint was repunched with another mintmark.
Errors & Varieties
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
1943-P/D Jefferson Nickel Doubled Mintmark
A wartime Jefferson nickel variety showing evidence of a doubled or repunched mint mark, with traces suggesting a D was punched before being corrected to a P, or vice versa, above Monticello on the reverse.
Errors & Varieties
1942 Doubled Die Obverse Lincoln Cent
A doubled die obverse variety of the 1942 Lincoln cent showing visible doubling in the date and motto, caused by a misaligned hubbing impression during die preparation.
Errors & Varieties
1873 Open 3 vs Closed 3 Indian Head Cent
Two distinct date logotype varieties of the 1873 Indian Head cent, distinguished by whether the top loop of the final 3 in the date is nearly closed or clearly open.
Errors & Varieties
American Platinum Eagle
The United States Mint's official platinum bullion coin, issued since 1997 in four sizes, featuring the Statue of Liberty and a changing eagle reverse.
Bullion
Capped Bust Half Eagle
John Reich's 1807 redesign turned Liberty to face left and added drapery to her bust, replacing the earlier Capped Bust to Right half eagle for a five-year run before the Capped Head type arrived.
United States
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
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
Draped Bust Eagle
The formal catalog name for the first U.S. ten-dollar gold coin once it adopted a bold heraldic eagle reverse in 1797, the same coin popularly nicknamed the 'Turban Head' eagle.
United States
Long Island Tercentenary Half Dollar
A 1936 U.S. commemorative half dollar marking 300 years since the first European settlement on Long Island, New York.
Commemorative
Vermont Sesquicentennial Half Dollar
A 1927 U.S. commemorative half dollar marking the 150th anniversary of Vermont's independence, featuring Ira Allen and a catamount.
Commemorative