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

1877 Twenty-Cent Piece (Proof)
A proof-only issue of the twenty-cent piece, struck for collectors after the denomination had already been abandoned for regular circulation.
United States
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
1885 Trade Dollar
One of the rarest official United States coins, a proof-only issue struck years after the Trade dollar series had officially ended, with only a handful of examples known.
United States
1996-W Roosevelt Dime
A special anniversary-issue dime struck at West Point and included only in 1996 Uncirculated Mint Sets, never released for general circulation.
United States
Capped Bust Quarter Eagle
An umbrella term for the earliest U.S. $2.50 gold coins (1796-1834), whose Liberty-in-a-cap portrait evolved through several sub-types, including the famous single-year 1808 issue.
United States
1893-S Morgan Dollar
The undisputed key date of the Morgan dollar series, struck at San Francisco with the lowest mintage of any regular-issue Morgan, roughly 100,000 coins.
United States
1892 Barber Quarter
The first-year issue of the Barber quarter series, introducing Charles Barber's new Liberty Head design after the retirement of the earlier Seated Liberty quarter.
United States
1878 Twenty-Cent Piece (Proof)
The final-year proof-only issue of the US twenty-cent piece, struck for collectors just before Congress formally ended the short-lived denomination.
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
1873-CC Seated Liberty Dime (No Arrows)
An extraordinarily rare Carson City dime struck without the arrows-at-date design used later in 1873, famously known by a single surviving example.
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
Draped Bust Dollar
The first regular-issue U.S. silver dollar with the Draped Bust design, struck 1795-1804, featuring a small eagle reverse and later a heraldic eagle reverse.
United States
1872-CC Seated Liberty Dime
A scarce early Carson City dime struck in limited numbers during the mint's formative years, sought after by Seated Liberty and CC-mint specialists alike.
United States
1871-CC Seated Liberty Dime
One of the first dimes struck at the newly opened Carson City Mint, produced in very limited numbers and highly prized by collectors of CC-mint coinage.
United States
1874-CC Seated Liberty Dime
A rare Carson City dime with arrows at the date, struck in small numbers and highly prized as one of the great condition rarities among CC-mint dimes.
United States
1851 Silver Three-Cent Piece
The first-year issue of the tiny Type I silver three-cent piece, nicknamed the trime, created to ease a national shortage of small change and postage-stamp coinage.
United States
1892 Barber Half Dollar
First-year issue of Charles Barber's Liberty Head half dollar, with the 1892-O and 1892-S branch mint coins notably scarcer than the Philadelphia strike.
United States
Liberty Head V Nickel
Struck from 1883 to 1912 (with five secretly made 1913 examples), the Liberty Head Nickel is famous for its 1883 'No CENTS' variety and its ultra-rare 1913 issue.
United States
1900-O/CC Morgan Dollar
A well-known Morgan dollar overmintmark variety showing an O mintmark punched over a CC, created when a leftover Carson City die was repurposed and repunched for use at New Orleans.
Errors & Varieties
Nova Eborac Copper
A 1787-dated copper bearing the Latin name for New York, struck privately after the state failed to authorize its own copper coinage contract during the chaotic Confederation-era coin shortage.
United States
American Platinum Eagle
The United States Mint's official platinum bullion coin, issued since 1997 in four sizes, featuring the Statue of Liberty and a changing eagle reverse.
Bullion
Flowing Hair Dollar
The first silver dollar struck by the United States Mint, issued in 1794-1795 with a flowing-haired Liberty and small eagle reverse; the 1794 date is among the rarest and most valuable U.S. coins.
United States
Sesquicentennial of American Independence Quarter Eagle
A $2.50 gold commemorative issued for the 150th anniversary of American independence, showing a standing Liberty with the Declaration of Independence and Independence Hall.
Commemorative
US State Quarters Series
A landmark US Mint program issuing a new quarter reverse design for each of the 50 states in the order they joined the Union, sparking widespread collecting interest nationwide.
United States