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

1861 Confederate Half Dollar
An extraordinarily rare Civil War-era coin struck briefly at the Confederate-controlled New Orleans mint, using a genuine CSA reverse die paired with an existing US half dollar obverse.
United States
Argentine 8 Escudos Gold (1813)
An extremely rare gold coin from the earliest years of Argentine independence, struck briefly at Potosí under revolutionary authority and bearing the iconic Sun of May.
Latin American
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
1968 No S Proof Roosevelt Dime
The first of the famous 'No S' proof Roosevelt dime errors, struck at San Francisco without its mintmark; scarce but more available than later No S dimes.
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
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
1921 Peace Dollar (High Relief)
The debut issue of the Peace dollar, struck in dramatic high relief that proved difficult to mint, commemorating peace after World War I.
United States
1984 Doubled Ear Lincoln Cent
A popular doubled die variety showing distinct doubling on Lincoln's ear on the obverse portrait, one of the more visually distinctive and widely collected Lincoln cent varieties.
Errors & Varieties
1975 No S Proof Roosevelt Dime
One of the rarest and most valuable modern US coin errors: a 1975 proof dime struck without its San Francisco 'S' mintmark, with only a handful of examples known.
Errors & Varieties
1999 New Jersey State Quarter
One of the original five 1999 State Quarters, honoring New Jersey with a rendition of Washington Crossing the Delaware, launching the wildly popular 50 State Quarters Program.
United States
1970 No S Proof Roosevelt Dime
A proof Roosevelt dime struck without its 'S' mintmark, one of a series of similar San Francisco die errors found across several years in the late 1960s and 1970s.
Errors & Varieties
1972 Eisenhower Dollar (Type 2)
A scarce reverse variety of the 1972 Eisenhower dollar, distinguished by a more detailed, higher-relief rendering of the Earth behind the moon-landing eagle, and prized by variety collectors.
Errors & Varieties
1971 British Columbia Dollar
A commemorative Canadian dollar marking the centennial of British Columbia joining Canadian Confederation in 1871, issued in both nickel circulation and silver collector versions.
Canadian
Yuan Shikai 'Fatman' Dollar (1914)
A widely produced Republic of China silver dollar bearing the portrait of President Yuan Shikai, nicknamed the fat man dollar for his portly likeness, one of the most common historic Chinese silver coins.
Asian
1858 Victoria Five Cents (silver)
The first Canadian five-cent coin, a tiny sterling silver piece struck for the Province of Canada in 1858 when decimal currency was introduced to replace older colonial money.
Canadian
1923-S Standing Liberty Quarter
A scarce San Francisco key date of the Standing Liberty quarter series, valuable in all grades and especially rare with a fully struck head.
United States
1870 Victoria Twenty-Five Cents
The first twenty-five-cent coin struck for the newly formed Dominion of Canada, issued in 1870 to replace the earlier, often-confused 1858 twenty-cent piece.
Canadian
1927-S Standing Liberty Quarter
A key date of the Standing Liberty quarter series, struck in relatively low numbers at San Francisco and notoriously difficult to find with a fully struck head.
United States
1921 Standing Liberty Quarter
A low-mintage key date of the Standing Liberty quarter series struck only at Philadelphia, valued for its scarcity across all grades.
United States
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
Spanish 100 Reales Gold (Isabel II)
A mid-19th-century Spanish gold coin struck under Queen Isabel II, part of Spain's pre-peseta reales-based monetary system.
European
1967 Bobcat Centennial Quarter
A one-year-only Canadian quarter struck for the 1967 Centennial of Confederation, featuring a bobcat on the reverse instead of the usual caribou.
Canadian
1919-D Standing Liberty Quarter
A semi-key Denver-minted Standing Liberty quarter, scarcer than common dates of the series and notably difficult to find with a fully struck head.
United States
Korean 5 Yang Silver Dollar (1892)
Korea's first Western-style, dollar-sized silver coin, struck in 1892 with a coiled dragon design as part of King Gojong's currency modernization.
Asian