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

Mercury Dime
Popular U.S. dime nicknamed for its winged Liberty head, mistaken by many for the Roman god Mercury, designed by Adolph A. Weinman and struck from 1916 to 1945.
United States
Liberty Head Double Eagle
A large gold twenty-dollar coin featuring Liberty's coronet-crowned head, struck for decades amid the California Gold Rush and westward mint expansion.
United States
1972 Doubled Die Lincoln Cent
A famous Lincoln cent error showing strong doubling on the obverse date and lettering, caused by a misaligned die hub during production at the Philadelphia Mint.
Errors & Varieties
Capped Bust Half Eagle
John Reich's 1807 redesign turned Liberty to face left and added drapery to her bust, replacing the earlier Capped Bust to Right half eagle for a five-year run before the Capped Head type arrived.
United States
Daniel Boone Bicentennial Half Dollar
A commemorative half dollar honoring frontiersman Daniel Boone's 200th birthday, depicting Boone alongside Native American leader Chief Black Fish on the reverse.
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
1942/1-D Mercury Dime Overdate
The Denver counterpart to the famous 1942/1 overdate, this Mercury Dime shows a doubled date from reused 1941 die-making equipment and is scarcer than the Philadelphia version.
Errors & Varieties
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
Walking Liberty Half Dollar
Widely admired U.S. half dollar designed by Adolph A. Weinman, depicting Liberty striding toward the sun and a bold eagle on the reverse; its obverse design was later revived for the Silver Eagle.
United States
1901-S Barber Quarter
The single rarest business-strike coin in the Barber quarter series, with an extremely small San Francisco mintage that makes even heavily worn examples valuable.
United States
Carson City Morgan Dollar (CC Mint)
Morgan silver dollars struck at the Carson City Mint, identified by the small CC mintmark, prized for their Wild West mystique and generally lower mintages than Philadelphia or New Orleans issues.
United States
1964 Kennedy Half Dollar (90% Silver)
The first-year Kennedy half dollar, rushed into production after President Kennedy's assassination, struck only in 1964 with a 90% silver composition before the alloy was reduced.
United States
1995 Doubled Die Lincoln Cent
A widely collected doubled die variety showing clear doubling on LIBERTY and IN GOD WE TRUST on the obverse, notable for being far more available in circulation than earlier famous Lincoln cent doubled dies.
Errors & Varieties
Coronet Head Half Eagle
The longest-running half eagle design, struck for nearly seventy years with Christian Gobrecht's Liberty coronet portrait, spanning No Motto and With Motto varieties across six different mints.
United States
Nova Constellatio Copper
Distinctive early American copper coin featuring a radiant eye within a circle of stars, associated with Gouverneur Morris's proposed decimal coinage plans of the early 1780s.
United States
Philippine Peso (US Administration, 1903)
Silver one-peso coin struck for the Philippines under early American colonial administration, part of a new US-designed coinage system introduced in 1903.
Asian
Kellogg & Co. Gold Piece
Private gold coinage struck by the San Francisco firm Kellogg & Co. during the California Gold Rush, including the famous octagonal fifty-dollar 'slug' of 1855, filling a shortage of circulating coin.
United States
Immune Columbia Copper
An extremely rare Confederation-era copper carrying the Latin legend 'IMMUNIS COLUMBIA,' known for numerous unusual die combinations and mules with other early American and British designs.
United States
Talbot, Allum & Lee Cent
A merchant token issued by the New York trading firm Talbot, Allum & Lee to help ease the shortage of small change in the 1790s, featuring a sailing ship on the obverse.
United States
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
Vermont Copper
Copper coinage struck under authority of the independent Vermont Republic in the 1780s, featuring an early landscape design and later a Britannia-style type.
United States
1 Euro Coin
The standard circulating one-euro coin used across the Eurozone since 2002, bimetallic with a gold-colored center and silver-colored ring, and a national obverse that varies by issuing country.
European
Philippine 20 Centavos (US-Philippines)
A small silver coin from the US administration of the Philippines, showing Liberty striking an anvil before Mount Mayon on the obverse and a heraldic eagle on the reverse.
Asian
Euro €2 Commemorative Coins
Since 2004, Eurozone countries have issued special-design €2 coins commemorating anniversaries and events while keeping the coin's normal size, weight, and legal-tender status.
Commemorative