Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
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
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
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
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
1965-1970 Kennedy Half Dollar (40% Silver)
Kennedy half dollars struck with a reduced 40% silver clad composition after the Coinage Act of 1965, bridging the gap between full silver coinage and today's copper-nickel clad coins.
United States
Australian Florin (pre-decimal)
Pre-decimal Australian silver florin worth two shillings, minted from 1910 until decimalization replaced it with the 20-cent coin in 1966.
Africa & Oceania
1965 Kennedy Half Dollar (40% silver)
A transitional Kennedy half dollar struck with reduced 40% silver content after the Coinage Act of 1965 eliminated silver from dimes and quarters, honoring the assassinated president.
United States
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
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
Australian Threepence (pre-decimal)
Small pre-decimal Australian silver coin worth three pence, popularly recognized for its bundled wheat-ear reverse design used across most of the 20th century.
Africa & Oceania
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
Quarter Farthing
The smallest fractional denomination in British coinage, worth one-sixteenth of a penny, struck primarily for use in colonial Ceylon during Victoria's reign.
British
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
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
New Zealand Florin (pre-decimal)
New Zealand's pre-decimal florin, famous for its kiwi-bird reverse design, circulated from 1933 until decimalization replaced it with the 20-cent coin in 1967.
Africa & Oceania
1913 Barber Quarter
A lower-mintage date in the Barber Quarter series designed by Charles E. Barber, notable among collectors for the relatively small number struck at the Philadelphia Mint that year.
United States
New Zealand Half Crown (pre-decimal)
The largest denomination in New Zealand's regular pre-decimal coin series, featuring the national coat of arms, circulated from 1933 until decimalization in 1967.
Africa & Oceania
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