Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1999 Delaware State Quarter
The debut coin of the U.S. Mint's 50 State Quarters Program, honoring Delaware as the first state to ratify the Constitution, featuring Caesar Rodney's historic ride.
Commemorative
1931-S Lincoln Wheat Cent
A Great Depression-era key date with a comparatively low mintage from the San Francisco Mint, long recognized as one of the more important dates in the Lincoln Wheat cent series.
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
Saint-Gaudens Double Eagle
Widely regarded as one of the most beautiful U.S. coins ever produced, designed by sculptor Augustus Saint-Gaudens at the urging of President Theodore Roosevelt.
United States
1891 Seated Liberty Quarter
The final year of the long-running Seated Liberty quarter design before it was replaced by the Barber quarter in 1892, popular as an affordable closing-date type coin.
United States
Indian Head Eagle ($10)
A striking early 20th-century gold eagle designed by Augustus Saint-Gaudens as part of President Theodore Roosevelt's push to beautify American coinage.
United States
Presidential Dollar - Thomas Jefferson
The third coin in the Presidential Dollar series, honoring Thomas Jefferson, sharing the same edge-lettering format and Statue of Liberty reverse as the earliest issues in the program.
United States
French 100 Francs Gold (Angel/Genius)
A large French gold coin of the Third Republic featuring an allegorical winged genius writing the constitution, often called the 'Angel' by collectors.
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
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
1974 Eisenhower Dollar
A large dollar coin honoring President Dwight D. Eisenhower and the Apollo 11 moon landing, common in circulated grades but collected as part of the popular Ike dollar series.
United States
Maundy Twopence
A small silver twopence struck each year as part of the Royal Maundy set, historically descended from the medieval silver half groat and still distributed in the annual royal alms ceremony.
British
1965 Kennedy Half Dollar (40% silver)
A transitional Kennedy half dollar struck with reduced 40% silver content after the Coinage Act of 1965 eliminated silver from dimes and quarters, honoring the assassinated president.
United States
Two-Cent Piece
A short-lived Civil War-era coin notable as the first U.S. coin to bear the motto 'IN GOD WE TRUST,' issued to help ease a wartime coin shortage.
United States
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
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
2004-D Wisconsin State Quarter Extra Leaf
A famous 50 State Quarters error showing an extra corn leaf on the Wisconsin quarter's reverse, found in two forms known as Extra Leaf High and Extra Leaf Low.
Errors & Varieties
Roman Denarius
The workhorse silver coin of ancient Rome for over four centuries, used across the Republic and Empire and one of the most widely collected categories of ancient coinage today.
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
Guatemala 8 Reales
A silver piece of eight struck at the Guatemala City mint, first under Spanish colonial rule and later continued through the Central American Federation and independent Guatemala.
Latin American
Pound Coin
The United Kingdom's £1 coin, introduced in 1983 to replace the paper pound note, redesigned as a 12-sided bimetallic coin in 2017.
British
Bolivia 8 Reales (Potosi Mint)
A major Spanish colonial and early Bolivian silver dollar struck at the legendary Potosí mint, fed by the immense silver deposits of the Cerro Rico mountain.
Latin American
1934 Peace Dollar
A Depression-era Peace Dollar issue struck at three mints, with the low-mintage 1934-S standing out as a semi-key date prized by collectors.
United States
Lincoln Shield Cent
The current Lincoln cent reverse, introduced in 2010, depicts a Union shield replacing the earlier Lincoln Memorial design as the fourth reverse in the cent's history.
United States