Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1877 Indian Head Cent
The premier key date of the Indian Head cent series, struck in unusually low numbers during a mid-1870s economic downturn.
United States
1896-S Barber Quarter
One of the three classic key dates of the Barber quarter series, valued for its low original mintage and the difficulty of finding problem-free survivors.
United States
1913-S Barber Quarter
A famous low-mintage key date near the end of the Barber quarter series, prized by collectors despite its worn survivors due to its very small original production.
United States
Italian 100 Lire Gold
The largest gold denomination of the Kingdom of Italy's Latin Monetary Union coinage, struck under Vittorio Emanuele II and Umberto I in relatively limited numbers.
European
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
Mexican 10 Pesos Gold 'Hidalgo'
A small Mexican gold coin honoring independence leader Miguel Hidalgo, struck during the Porfiriato and later restruck for the bullion market in the 1950s.
Latin American
1939-S Jefferson Nickel
A scarce San Francisco Jefferson Nickel from the early series, notable for being one of two tougher 1939 issues and for a well-known doubled-die reverse variety showing a doubled MONTICELLO.
United States
1909-S Indian Head Cent
The final and lowest-mintage Indian Head cent, struck at the San Francisco Mint in the series' last year before the Lincoln cent debuted.
United States
Australian Penny (1930)
Regarded as the key date of Australian pre-decimal coinage, the 1930 penny is famous for an exceptionally small mintage during the Great Depression.
Africa & Oceania
1864 L Indian Head Cent
A famous variety of the 1864 bronze Indian Head cent bearing a tiny L on Liberty's ribbon for designer James Longacre, one of the most recognized key varieties in the series.
United States
French 100 Francs Silver
France's pre-euro 100 Franc denomination included both a long-running silver Panthéon coin for collectors and numerous limited commemorative silver issues honoring people, events, and anniversaries.
European
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
1856 Flying Eagle Cent
An extremely rare pattern-like small cent struck to convince Congress to approve a new, smaller cent design, and one of the most desired key dates in U.S. coinage.
United States
1909-S VDB Lincoln Cent
The most famous key date in the Lincoln cent series, struck only briefly at the San Francisco Mint with designer Victor D. Brenner's initials on the reverse.
United States
1858 Flying Eagle Cent
The final year of the short-lived Flying Eagle Cent, struck in Large Letters and Small Letters varieties before the Indian Head design replaced it in 1859.
United States
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
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
1875-S Twenty-Cent Piece
The most commonly encountered date in the short-lived US twenty-cent piece series, struck in large numbers at San Francisco in the coin's debut year.
United States
Maundy Penny
The smallest coin of the four-piece Royal Maundy set, a tiny silver penny given by the British monarch in an ancient Holy Thursday alms ceremony, minted every year in very limited numbers.
British
Presidential Dollar Series
A circulating dollar coin series honoring US presidents in order of service, featuring edge-lettered mottos and a shared Statue of Liberty reverse across every release.
United States
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
1815 Capped Bust Quarter
The first quarter struck since 1807, the 1815 issue introduced John Reich's Capped Bust design in the large-diameter format used through 1828.
United States