Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
1918/7-S Standing Liberty Quarter Overdate
One of the most famous overdate varieties in U.S. coinage, where a leftover 1917 die was re-punched with an 1918 date, leaving remnants of the 7 visible beneath the 8.
Errors & Varieties
1939 Royal Visit Silver Dollar (Parliament)
A commemorative Canadian silver dollar marking the 1939 royal tour of King George VI and Queen Elizabeth, with the Parliament Buildings depicted on the reverse.
Canadian
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
1935 George V Silver Jubilee Dollar (Voyageur)
Canada's first-ever silver dollar, struck in 1935 to mark King George V's Silver Jubilee, introducing the famous Voyageur canoe reverse design.
Canadian
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
1955 Jefferson Nickel Poor Man's Doubled Die
A minor doubled-die variety on the 1955 Jefferson Nickel's date, nicknamed the 'Poor Man's Doubled Die' as a more affordable alternative to the famous 1955 doubled-die Lincoln Cent.
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
1949 Newfoundland Silver Dollar (Matthew ship)
A commemorative Canadian silver dollar marking Newfoundland's entry into Confederation in 1949, its reverse depicting John Cabot's ship the Matthew.
Canadian
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
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
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
2008 Beijing Olympics Commemorative Coins
China issued a large multi-year coin program ahead of the 2008 Beijing Olympics, spanning circulating 1 Yuan pieces and extensive gold and silver proof series depicting Olympic sports and Beijing landmarks.
Commemorative
Byzantine Follis
The large bronze workhorse coin of everyday Byzantine commerce, reformed by Emperor Anastasius I in 498 AD with a prominent Greek numeral denoting its value of 40 nummi.
Ancient
Maundy Fourpence
The largest of the four Royal Maundy coins, a small silver fourpence descended in value from the medieval groat, struck annually for the monarch's ceremonial Maundy Thursday alms distribution.
British
Columbian Exposition Half Dollar
The first United States commemorative coin, struck in 1892 and 1893 to mark the 400th anniversary of Columbus's voyage and fund the World's Columbian Exposition.
Commemorative
Flowing Hair Chain Cent
The first cent struck for circulation by the United States Mint, showing Liberty with flowing hair and a controversial 15-link chain on the reverse.
United States
Flowing Hair Half Dime
One of the earliest United States silver coins, the Flowing Hair Half Dime was struck only in 1794 and 1795 and is a landmark rarity for early American coinage collectors.
United States
Flowing Hair Wreath Cent
The replacement for the controversial Chain cent, struck for just a few months in 1793 with a simple wreath reverse instead of a chain.
United States
Draped Bust Half Dime
Struck in small numbers from 1796 to 1805, the Draped Bust Half Dime is an early U.S. silver rarity featuring Robert Scot's Draped Bust Liberty portrait and small or heraldic eagle reverses.
United States
Flowing Hair Half Dollar
The first U.S. half dollar, struck only in 1794 and 1795, showing Liberty with flowing hair and a small, spread-winged eagle on the reverse.
United States
Penny
One of the oldest and most iconic British denominations, the pre-decimal penny is famous for its large bronze Britannia design and beloved key dates like the 1933 penny.
British