Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1888/7 Indian Head Cent Overdate
A scarce overdate variety of the Indian Head cent in which traces of an underlying 7 are visible beneath the final 8 in the 1888 date, from a working die repunched with a new year.
Errors & Varieties
1918/7-D Buffalo Nickel Overdate
A famous overdate error on the Buffalo Nickel where a leftover 1917 working die was hand-repunched with an 1918 date, leaving traces of the underlying 7 visible beneath the 8.
Errors & Varieties
Australian 50 Cent (round 1966 silver)
Australia's original round 50-cent coin from the 1966 decimal changeover, struck in 80% silver and withdrawn the same year once its bullion value exceeded face value.
Africa & Oceania
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
1916 Walking Liberty Half Dollar
First-year strike of Adolph Weinman's celebrated Walking Liberty design, prized by collectors for its beauty and for the obverse mintmark unique to 1916 and early 1917.
United States
1953 Coronation Voyageur Dollar
The first Canadian silver dollar of Queen Elizabeth II's reign, issued in her coronation year, featuring the classic Voyageur canoe reverse and known for two collectible obverse varieties.
Canadian
1938-D Walking Liberty Half Dollar
A low-mintage Denver issue widely regarded as the key date of the later Walking Liberty half dollar run, second in scarcity only to the 1921 dates.
United States
1921 Walking Liberty Half Dollar
The three 1921 mintmark varieties are the acknowledged key dates of the Walking Liberty half dollar series, each struck in unusually small numbers.
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
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
1943/2-P Jefferson Nickel Overdate
A wartime Jefferson nickel overdate variety in which traces of an underlying 2 can be seen beneath the 3 in the date, created when a working die was re-hubbed with a different year's date.
Errors & Varieties
Chinese Auto Dollar (Kweichow, 1928)
Famous Chinese provincial silver dollar depicting an automobile, struck in Kweichow province in 1928 and celebrated by collectors as one of the most distinctive Chinese coin designs.
Asian
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
1873 Open 3 vs Closed 3 Indian Head Cent
Two distinct date logotype varieties of the 1873 Indian Head cent, distinguished by whether the top loop of the final 3 in the date is nearly closed or clearly open.
Errors & Varieties
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
Mexican Balanza Silver Peso (1957-1967)
The last circulating silver peso of Mexico, struck in a much-reduced silver alloy through the 1960s before Mexico moved fully to base-metal coinage.
Latin American
1883 With Cents Liberty Head Nickel
The corrected version of the 1883 Liberty Head Nickel with CENTS added below the wreath, issued later the same year to stop widespread gold-plating fraud tied to the earlier No Cents design.
United States
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
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
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
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
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
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