Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1974 Aluminum Cent
An extremely rare experimental pattern struck in aluminum as a potential replacement for the copper cent amid rising metal costs, almost none of which were legally released to the public.
Errors & Varieties
1859 Indian Head Cent (Laurel Wreath)
The first-year Indian Head cent, struck only in 1859 with a distinctive laurel wreath reverse that was replaced by an oak wreath and shield the following year.
United States
Type II Silver Three-Cent Piece
A short-lived redesign of the silver three-cent piece with heavier silver content and an outlined star, known for weak strikes and generally low mintages.
United States
1794 Flowing Hair Cent
An early United States large copper cent from the first years of the Mint, associated with the Flowing Hair Liberty portrait used on the nation's earliest coinage.
United States
1943 Bronze Lincoln Cent
An extremely rare mint error in which a small number of 1943 Lincoln cents were accidentally struck in leftover bronze rather than the intended wartime zinc-coated steel.
Errors & Varieties
Lincoln Wheat Cent
The first widely circulated U.S. coin to feature a real historical figure, Abraham Lincoln, with two stylized wheat stalks on the reverse; one of the most collected coins in America.
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
2021 Tuskegee Airmen America the Beautiful Quarter
A 2021 America the Beautiful Quarter honoring the Tuskegee Airmen, the pioneering African American military pilots of World War II, at their Alabama training site.
United States
2008 Hawaii State Quarter
The final release of the 50 State Quarters Program, honoring Hawaii with an image of King Kamehameha I extending his hand over the Hawaiian islands.
United States
2004 Wisconsin State Quarter Extra Leaf
A famous modern variety of the 2004 Wisconsin state quarter showing an unexplained extra leaf on the corn cob, found in both 'low leaf' and 'high leaf' forms.
Errors & Varieties
1858 Seated Liberty Quarter
A comparatively plentiful mid-series No Motto Seated Liberty quarter, popular as an affordable entry point for collectors seeking a representative example of the type.
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
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
1842-O Small Date Seated Liberty Quarter
A famous condition and date rarity of the Seated Liberty series, struck at New Orleans from leftover small-date dies originally prepared for Philadelphia proof coinage.
United States
1853 Seated Liberty Quarter (Arrows and Rays)
A popular one-year Seated Liberty type marked by arrows at the date and rays around the eagle, signaling a reduction in the coin's silver weight mandated by the Coinage Act of 1853.
United States
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
1823/2 Capped Bust Quarter Overdate
One of the rarest die varieties in the entire United States quarter series, the 1823/2 overdate shows a 3 punched over a leftover 2, from an extremely limited production run.
Errors & Varieties
1805 Draped Bust Quarter
A far more available date than the famous 1804, the 1805 quarter is a popular representative of the Draped Bust, Heraldic Eagle type for collectors building an early American type set.
United States
1950-S/D Washington Quarter Overmintmark
A 1950 San Francisco Washington quarter struck from a die where an S mintmark was punched over a leftover D, creating one of the best-known overmintmark errors in the series.
Errors & Varieties
1976 Bicentennial Eisenhower Dollar
A dual-dated 1776-1976 Eisenhower dollar with a special reverse showing the Liberty Bell superimposed on the moon, issued for the U.S. Bicentennial.
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
1965-1970 Kennedy Half Dollar (40% Silver)
Kennedy half dollars struck with a reduced 40% silver clad composition after the Coinage Act of 1965, bridging the gap between full silver coinage and today's copper-nickel clad coins.
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
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