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

Republican Victoriatus
A lighter-weight Roman Republican silver coin depicting Jupiter and a Victory crowning a trophy, used largely for trade with the Greek-influenced south.
Ancient
1943 Washington Quarter Doubled Die Obverse
A wartime-era doubled die variety of the Washington quarter showing clear doubling on obverse design elements, popular among collectors of Mint error and variety coins.
Errors & Varieties
1917 Type 2 Standing Liberty Quarter
The revised Standing Liberty quarter design introduced later in 1917, adding chain mail over Liberty's chest and extra stars on the reverse, used through the end of the series in 1930.
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
1937-D Three-Legged Buffalo Nickel
One of the most famous U.S. mint errors, this Denver-struck Buffalo Nickel variety shows the bison missing its front leg after a Mint worker over-polished a damaged die.
Errors & Varieties
Standing Liberty Quarter
An early 20th-century silver quarter featuring a striding figure of Liberty, prized for its artistic Type I 'bare breast' design and later modified Type II version.
United States
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
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
2005 Minnesota State Quarter Extra Tree (Doubled Die)
A doubled-die variety of the 2005 Minnesota state quarter that produces the illusion of an extra tree trunk among the treeline in the design, popular with modern variety collectors.
Errors & Varieties
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
1804 Draped Bust Dollar
One of the most famous rarities in American numismatics, a silver dollar dated 1804 but actually struck decades later, with only 15 known examples.
United States
Thailand (Siam) Silver Baht 'Bullet Money' (Pod Duang)
Distinctive bent-bar silver currency used in Siam for centuries, hand-formed into a bullet-like shape and stamped with royal marks in place of a flat coin design.
Asian
1858 Victoria Five Cents (silver)
The first Canadian five-cent coin, a tiny sterling silver piece struck for the Province of Canada in 1858 when decimal currency was introduced to replace older colonial money.
Canadian
1936 Dot Cent
One of Canada's rarest coins: a 1936-dated cent quietly struck in 1937 with a tiny raised dot below the date after King Edward VIII's abdication delayed new George VI dies.
Canadian
Panama-Pacific Gold Dollar Commemorative
A 1915 gold dollar honoring the workers who built the Panama Canal, featuring a canal laborer's head on the obverse and two dolphins encircling the denomination on the reverse.
Commemorative
Liberty Head Quarter Eagle ($2.50)
A small 19th-century gold coin featuring Christian Gobrecht's Coronet Head design, minted across many branch facilities during America's gold rush era.
United States
1864 L Indian Head Cent
A famous variety of the 1864 bronze Indian Head cent bearing a tiny L on Liberty's ribbon for designer James Longacre, one of the most recognized key varieties in the series.
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
Persian Gold Daric
The standard gold coin of the Achaemenid Persian Empire, depicting the Persian Great King as a running or kneeling archer, used widely to pay soldiers and mercenaries.
Ancient
Bahraini Dinar
Modern decimal currency of Bahrain, introduced in 1965 to replace the Gulf Rupee, with the dinar divided into 1,000 fils.
Asian
George Noble
A short-lived English gold coin of 1526 depicting St. George slaying the dragon, among the rarest coins of Henry VIII's reign.
British
Fifty Pence
The UK's distinctive seven-sided 50p coin, introduced in 1969 to replace the ten shilling note ahead of decimalisation.
British
1857 Flying Eagle Cent
The first-year circulation issue of the Flying Eagle Cent, marking the debut of the small-format cent that replaced the old large copper cent.
United States
Australian Kangaroo Gold Nugget
Modern Australian gold bullion coin from the Perth Mint, launched in 1986 with changing nugget designs before adopting an annually updated kangaroo reverse.
Bullion