Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
US Olympic Commemorative Dollar (1983)
The first coin in a two-year US commemorative program supporting the 1984 Los Angeles Olympics, the 1983 silver dollar features a discus-thrower design and marked a revival of American commemorative coinage.
Commemorative
1971 Doubled Die Obverse Lincoln Cent
A doubled die obverse Lincoln cent from 1971 showing clear doubling in the date and lettering, one of several notable doubled die varieties struck during the early 1970s.
Errors & Varieties
1936 Doubled Die Obverse Lincoln Cent
A collectible doubled die variety on the 1936 Lincoln wheat cent, known in a stronger, scarcer form and a weaker, more common form, both showing doubling in the obverse lettering.
Errors & Varieties
1942 Doubled Die Obverse Lincoln Cent
A doubled die obverse variety of the 1942 Lincoln cent showing visible doubling in the date and motto, caused by a misaligned hubbing impression during die preparation.
Errors & Varieties
French 10 Francs Gold (Napoleon Rooster)
A small French gold coin from the Third Republic featuring the Gallic rooster reverse, a smaller companion to the famous 20 francs 'Coq' gold piece.
European
1911 Canadian Silver Dollar (Pattern)
An extraordinarily rare 1911 trial striking exploring a Canadian silver dollar decades before the denomination was actually introduced, with only a handful of specimens known.
Canadian
1921 Fifty Cents (King of Canadian Coins)
Canada's most famous rarity, the 1921 fifty-cent piece survives in only a small number of known examples after most of its mintage was melted, earning it the nickname King of Canadian Coins.
Canadian
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
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
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
1983 Doubled Die Reverse Lincoln Cent
A notable doubled die variety showing bold doubling on the reverse lettering of the Lincoln Memorial cent, particularly visible on ONE CENT, from the first full year of the copper-plated zinc cent.
Errors & Varieties
1938-D/S Buffalo Nickel Overmintmark
The famous final-year Buffalo nickel variety showing a D mintmark punched over a leftover S, created when Denver reused a die originally prepared for San Francisco.
Errors & Varieties
1917 Doubled Die Obverse Lincoln Cent
One of the earliest known doubled die varieties in the Lincoln cent series, showing visible doubling in the date and lettering on an early 20th-century wheat cent.
Errors & Varieties
Philippine Peso (US Administration, 1903)
Silver one-peso coin struck for the Philippines under early American colonial administration, part of a new US-designed coinage system introduced in 1903.
Asian
1967 Centennial Silver Dollar (Goose)
A one-year commemorative Canadian silver dollar struck for the 1967 Centennial of Confederation, its reverse depicting a Canada goose in flight, designed by Alex Colville.
Canadian
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
Aureus of Augustus
The gold coin of Rome's first emperor, Augustus, who standardized the aureus at roughly 1/40 of a Roman pound and set the gold standard for the empire.
Ancient
1969-S Doubled Die Obverse Lincoln Cent
A famous and dramatic doubled die obverse Lincoln cent from the San Francisco Mint, showing strong, easily visible doubling and ranking among the most valuable Lincoln cent doubled die varieties.
Errors & Varieties
1960 Large Date over Small Date Lincoln Cent
A date-size variety of the 1960 Lincoln cent in which large and small date logotypes were both used during the year, with some pieces showing evidence of one date style impressed over the other.
Errors & Varieties
Netherlands 10 Gulden Gold (Wilhelmina)
The gold 10 Gulden coin featuring Queen Wilhelmina was the Netherlands' standard gold circulation and reserve coin in the early 20th century, later restruck as a recognized gold bullion piece.
European
French Indochina Sarraut Piastre (1931)
A reduced-weight silver piastre introduced in 1931 for French Indochina after rising world silver prices made the older, larger trade piastre worth more in bullion than in face value.
Asian
1976 Bicentennial Kennedy Half Dollar
A special dual-dated 1776-1976 Kennedy half dollar with a redesigned Independence Hall reverse, struck to commemorate the United States Bicentennial.
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
1937 Doubled Die Obverse Buffalo Nickel
A doubled die variety of the 1937 Buffalo nickel showing visible doubling in the obverse date and lettering, collected alongside other notable varieties from the final years of the Buffalo nickel series.
Errors & Varieties