Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
2004-D Wisconsin Extra Leaf High Quarter
The 'high leaf' variant of the famous Wisconsin quarter extra-leaf variety, showing the anomalous extra corn leaf pointing upward and outward rather than low near the cheese wheel.
Errors & Varieties
1970-S Washington Quarter Proof on 1941 Canadian Quarter
One of the most famous US mint errors: a 1970-S proof Washington quarter accidentally struck over a leftover silver 1941 Canadian quarter planchet at the San Francisco Mint.
Errors & Varieties
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
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
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
1917 Type 2 Standing Liberty Quarter
The revised Standing Liberty quarter design introduced later in 1917, adding chain mail over Liberty's chest and extra stars on the reverse, used through the end of the series in 1930.
United States
1892 Barber Quarter
The first-year issue of the Barber quarter series, introducing Charles Barber's new Liberty Head design after the retirement of the earlier Seated Liberty quarter.
United States
1878 Twenty-Cent Piece (Proof)
The final-year proof-only issue of the US twenty-cent piece, struck for collectors just before Congress formally ended the short-lived denomination.
United States
1901-S Barber Quarter
The single rarest business-strike coin in the Barber quarter series, with an extremely small San Francisco mintage that makes even heavily worn examples valuable.
United States
1877 Twenty-Cent Piece (Proof)
A proof-only issue of the twenty-cent piece, struck for collectors after the denomination had already been abandoned for regular circulation.
United States
1875-CC Twenty-Cent Piece
A Carson City strike of the short-lived US twenty-cent piece, valued both for its unusual denomination and its Wild West mint origin.
United States
1932-S Washington Quarter
One of the two key dates of the Washington quarter series, struck at San Francisco in the design's debut year with a very limited mintage.
United States
2021 Tuskegee Airmen America the Beautiful Quarter
A 2021 America the Beautiful Quarter honoring the Tuskegee Airmen, the pioneering African American military pilots of World War II, at their Alabama training site.
United States
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
2004 Wisconsin State Quarter Extra Leaf
A famous modern variety of the 2004 Wisconsin state quarter showing an unexplained extra leaf on the corn cob, found in both 'low leaf' and 'high leaf' forms.
Errors & Varieties
2005 Minnesota State Quarter Extra Tree (Doubled Die)
A doubled-die variety of the 2005 Minnesota state quarter that produces the illusion of an extra tree trunk among the treeline in the design, popular with modern variety collectors.
Errors & Varieties
1858 Seated Liberty Quarter
A comparatively plentiful mid-series No Motto Seated Liberty quarter, popular as an affordable entry point for collectors seeking a representative example of the type.
United States
1891 Seated Liberty Quarter
The final year of the long-running Seated Liberty quarter design before it was replaced by the Barber quarter in 1892, popular as an affordable closing-date type coin.
United States
1866 Seated Liberty Quarter (Motto)
The first year the motto IN GOD WE TRUST appeared on the quarter dollar, the low-mintage 1866 Philadelphia issue is a genuine key date of the Seated Liberty series.
United States
1842-O Small Date Seated Liberty Quarter
A famous condition and date rarity of the Seated Liberty series, struck at New Orleans from leftover small-date dies originally prepared for Philadelphia proof coinage.
United States
1853 Seated Liberty Quarter (Arrows and Rays)
A popular one-year Seated Liberty type marked by arrows at the date and rays around the eagle, signaling a reduction in the coin's silver weight mandated by the Coinage Act of 1853.
United States
1827 Capped Bust Quarter
One of the most celebrated rarities in American numismatics, the 1827 quarter exists only as extremely rare proof-like Originals and later Restrikes rather than typical circulation coinage.
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