Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1804 Draped Bust Quarter
The key date of the short Draped Bust, Heraldic Eagle quarter series, the 1804 issue had a very small original mintage and ranks among the rarest and most valuable early United States quarters in any condition.
United States
Jefferson Nickel
Struck since 1938, the Jefferson Nickel pairs a portrait of Thomas Jefferson with his home, Monticello, and briefly switched to a silver alloy during World War II.
United States
New Jersey Copper
State-authorized copper coinage struck for New Jersey in the late 1780s, famous for its horse-head-and-plow obverse and shield reverse design.
United States
Maine Centennial Half Dollar
A 1920 U.S. commemorative half dollar issued for the 100th anniversary of Maine's statehood, featuring the state's coat of arms.
Commemorative
Royal Canadian Mint Colored Poppy Quarter (2004)
Canada's 2004 poppy quarter is widely credited as the world's first coin with a colored design produced for general circulation, honoring Canadian war remembrance with a red poppy at its center.
Commemorative
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
Alabama Centennial Half Dollar
A 1921 U.S. commemorative half dollar for Alabama's statehood centennial, notable for depicting a living person and a scarcer '2X2' variety.
Commemorative
1918/7-D Buffalo Nickel Overdate
A famous overdate error on the Buffalo Nickel where a leftover 1917 working die was hand-repunched with an 1918 date, leaving traces of the underlying 7 visible beneath the 8.
Errors & Varieties
Constantius II Centenionalis
A bronze centenionalis of Constantius II featuring the dramatic 'Fallen Horseman' reverse, one of the most famous designs of the Late Roman Empire.
Ancient
Magnentius Double Centenionalis
A large bronze coin of the usurper Magnentius featuring one of the earliest large Christian Chi-Rho symbols on Roman coinage.
Ancient
Monroe Doctrine Centennial Half Dollar
A 1923 U.S. commemorative half dollar marking the 100th anniversary of the Monroe Doctrine, featuring an allegorical map of the Americas.
Commemorative
Missouri Centennial Half Dollar
A 1921 U.S. commemorative half dollar marking Missouri's centennial of statehood, known for a scarcer '2★4' variety.
Commemorative
Mexican Gold Centenario (50 Pesos)
Mexico's iconic gold coin, first struck in 1921 to mark a century of independence, depicting the Angel of Independence and still produced today as bullion.
Bullion
Arkansas Centennial Half Dollar
A commemorative half dollar marking Arkansas's 100th anniversary of statehood, pairing a Native American profile with an idealized Liberty figure on the obverse.
Commemorative
South African Silver Krugerrand
The silver version of the world-famous Krugerrand, launched in 2017 to mark the gold coin's 50th anniversary, using the same Kruger and springbok design.
Bullion
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
Lincoln-Illinois Centennial Half Dollar
A 1918 U.S. commemorative half dollar marking Illinois's 100th anniversary of statehood, featuring a portrait of Abraham Lincoln.
Commemorative
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
Texas Independence Centennial Half Dollar
A commemorative half dollar marking the 100th anniversary of Texas independence from Mexico, featuring an eagle on a lone star and figures of Sam Houston and Stephen F. Austin.
Commemorative
1901-S Barber Dime
A scarce San Francisco Mint Barber dime with a notably low mintage, ranked among the tougher dates for collectors of the series.
United States
1921-D Mercury Dime
A key-date silver dime from a post-WWI recession year when Denver struck only a small number of Mercury dimes, making it a cornerstone of the series.
United States
1916-D Mercury Dime
The key date of the Mercury Dime series, the 1916-D was struck at Denver in a very low quantity, making genuine examples scarce and highly sought after by collectors.
United States
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
1895-O Barber Dime
The key date of the Barber dime series, struck in unusually small numbers at the New Orleans Mint and scarce in every grade of preservation.
United States