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

1999 Delaware State Quarter
The debut coin of the U.S. Mint's 50 State Quarters Program, honoring Delaware as the first state to ratify the Constitution, featuring Caesar Rodney's historic ride.
Commemorative
Presidential Dollar - George Washington
The first coin in the U.S. Presidential Dollar series, honoring George Washington, notable for edge-lettering errors including the famous 'Godless Dollar' missing IN GOD WE TRUST.
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
1932-D Washington Quarter
The key date of the Washington quarter series, struck in Denver during the depths of the Great Depression with a very low mintage.
United States
1965 Silver Washington Quarter (Transitional Error)
An extremely rare transitional error in which a 1965-dated quarter, meant to be struck in new copper-nickel clad metal, was accidentally struck on a leftover 90% silver planchet.
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
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
1934 Washington Quarter Doubled Die Obverse
An early doubled die variety from the second year of the Washington quarter series, showing doubling on the obverse and collected as part of specialized variety sets.
Errors & Varieties
1937 Washington Quarter Doubled Die Obverse
A well-known doubled die variety of the early Washington quarter series, showing visible doubling in the obverse lettering and date from a misaligned die hubbing.
Errors & Varieties
1943 Washington Quarter Doubled Die Obverse
A wartime-era doubled die variety of the Washington quarter showing clear doubling on obverse design elements, popular among collectors of Mint error and variety coins.
Errors & Varieties
1950-D/S Washington Quarter Overmintmark
A famous mid-century mintmark error where a Denver quarter die was first punched with an S mintmark and then re-punched with a D, leaving traces of both letters visible.
Errors & Varieties
1950-S/D Washington Quarter Overmintmark
A 1950 San Francisco Washington quarter struck from a die where an S mintmark was punched over a leftover D, creating one of the best-known overmintmark errors in the series.
Errors & Varieties
Washington-Carver Half Dollar
A commemorative half dollar jointly honoring Booker T. Washington and George Washington Carver, promoting American ideals and opposing the spread of Communism.
Commemorative
Quarter Guinea
A rarely issued small gold coin worth one-quarter of a guinea, struck only in 1718 under George I and again briefly in 1762 under George III.
British
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
George V Twenty-Five Cents (silver)
Canada's silver twenty-five-cent coin struck under King George V, a series notable for its famous 1921 key date and a rare 1936 emergency dot variety.
Canadian
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
George Noble
A short-lived English gold coin of 1526 depicting St. George slaying the dragon, among the rarest coins of Henry VIII's reign.
British
George V Fifty Cents
Canada's fifty-cent silver coin issued under King George V, spanning a reduction in silver fineness in 1920 and including the famously rare 1921 date.
Canadian
George V Ten Cents
Canada's silver ten-cent coin struck throughout the long reign of King George V, spanning the First World War era through to the mid-1930s.
Canadian
George V Large Cent
Canada's final large-format bronze cent, struck 1911-1920 under King George V, including the controversial 1911 "Godless" issue.
Canadian
Booker T. Washington Memorial Half Dollar
A commemorative half dollar honoring educator Booker T. Washington, notable as the first U.S. coin designed by an African American sculptor and the first to depict a Black American.
Commemorative
George V Five Cents (silver)
The last era of Canadian silver five-cent coins, struck under King George V until nickel replaced silver in 1922, including the legendary rarity of the 1921 date.
Canadian
Isabella Quarter
The only U.S. commemorative quarter dollar, struck for the 1893 World's Columbian Exposition and featuring Queen Isabella I of Spain, sponsor of Columbus's voyage.
Commemorative