Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1933 Double Eagle
One of the rarest and most legally contested U.S. coins, struck but never officially released for circulation after the nation left the gold standard; a single example sold for over $18 million.
United States
1873-CC Seated Liberty Quarter (No Arrows)
One of the great rarities of the Seated Liberty quarter series, this tiny Carson City issue predates the mid-1873 arrows-at-date modification and survives in only a handful of known examples.
United States
Third Farthing
An extremely small denomination worth one-twelfth of a penny, struck mainly to serve the currency needs of the British colony of Malta across the nineteenth and early twentieth centuries.
British
Mende Dionysos on Donkey Tetradrachm
A striking Classical-era silver tetradrachm from the wine-city of Mende, showing the wine-god Dionysos reclining drunkenly on a donkey, one of ancient coinage's most whimsical designs.
Ancient
1960 Large Date over Small Date Lincoln Cent
A date-size variety of the 1960 Lincoln cent in which large and small date logotypes were both used during the year, with some pieces showing evidence of one date style impressed over the other.
Errors & Varieties
1943 Copper Lincoln Cent
An extremely rare mint error where a handful of 1943 cents were struck on leftover bronze planchets instead of the wartime steel used that year, making it one of the most famous US coin errors.
Errors & Varieties
Brasher Doubloon
A famous privately struck gold coin made in 1787 by New York goldsmith Ephraim Brasher, a neighbor of George Washington, and one of the most valuable and celebrated coins in American numismatics.
United States
Gothic Crown
An ornate Victorian silver crown featuring a young Queen Victoria in Gothic-script lettering, widely admired as one of the most artistically accomplished coins in British history.
British
Joachimsthaler
Struck beginning in 1520 in the Bohemian silver-mining town of Joachimsthal, this large silver coin gave its name, shortened to 'thaler' and later 'dollar,' to countless currencies around the world.
European
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
Classic Head Half Eagle ($5)
A short-lived early American gold five-dollar coin created after the Coinage Act of 1834 reduced gold coin weight to keep coins in circulation rather than being melted.
United States
Julius Caesar Elephant Denarius
One of the most widely recognized ancient Roman coins, struck under Julius Caesar's authority and depicting an elephant trampling a serpent, likely a symbolic image tied to Caesar's political struggles.
Ancient
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
Syracuse Decadrachm
A large, exquisitely engraved silver coin from the Greek city of Syracuse, celebrated as one of the finest achievements of ancient Greek numismatic art, featuring the nymph Arethusa and a victorious chariot.
Ancient
Barber Dime
A late-19th and early-20th century silver dime designed by Charles E. Barber, featuring a classical Liberty head, part of a matching set with the Barber quarter and half dollar.
United States
2000 Sydney Olympics Coin Series
The Royal Australian Mint issued one of the largest circulating commemorative coin programs ever produced for a single Olympics, featuring numerous $5 designs alongside premium silver and gold proof coins for the Sydney 2000 Games.
Commemorative
1804 Draped Bust Eagle
The final date of the original ten-dollar gold eagle series before a 33-year production halt, later followed by a small number of 1834 diplomatic-gift restrikes made using a similarly dated die.
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
Danish Speciedaler
Denmark's large silver 'species dollar,' the principal high-value coin of the Danish monetary system before the krone replaced it in 1873–75.
European
Reichsthaler
The standard large silver coin of the Holy Roman Empire and its constituent German states from the 16th century onward, whose name is the direct linguistic ancestor of the word 'dollar.'
European
1883 No Cents Liberty Head Nickel
The first-year Liberty Head Nickel design that omitted the word CENTS from the reverse, later infamous as the 'Racketeer Nickel' after being gold-plated and passed off as a five-dollar coin.
United States
Liberty Head Half Eagle ($5)
A widely produced 19th-century gold five-dollar coin bearing Christian Gobrecht's Coronet Head design, struck across nearly every major American branch mint of the era.
United States