Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1955 Doubled Die Lincoln Cent
A famous doubled die error showing strong, plainly visible doubling on the date and lettering of the obverse, among the most recognizable die varieties in U.S. coinage.
Errors & Varieties
Pine Tree Shilling
Colonial Massachusetts silver shilling struck by John Hull and Robert Sanderson, famous for carrying the fixed date 1652 for roughly three decades of actual production.
United States
Kyrene Silphium Tetradrachm
A silver tetradrachm from the North African Greek city of Kyrene featuring the now-extinct silphium plant, the source of the city's legendary wealth as a prized ancient medicinal herb.
Ancient
Japanese 1 Yen Silver 'Dragon' Trade Dollar
A Meiji-era Japanese silver yen featuring a coiled dragon, struck to standardize Japan's currency and, in a special trade dollar variant, to compete with Mexican and other silver dollars across East Asia.
Asian
Egyptian Qirsh (Muhammad Ali Era)
Silver-billon piastre struck in Egypt under Muhammad Ali Pasha in the name of the Ottoman Sultan, reflecting Egypt's growing autonomy within the empire.
Africa & Oceania
Hadrian Travel Series Denarius
A celebrated series of silver denarii issued late in Hadrian's reign, personifying the many provinces he famously toured throughout the Roman Empire.
Ancient
1932-D Washington Quarter
The key date of the Washington quarter series, struck in Denver during the depths of the Great Depression with a very low mintage.
United States
1932-S Washington Quarter
One of the two key dates of the Washington quarter series, struck at San Francisco in the design's debut year with a very limited mintage.
United States
1875-CC Twenty-Cent Piece
A Carson City strike of the short-lived US twenty-cent piece, valued both for its unusual denomination and its Wild West mint origin.
United States
1950-D/S Washington Quarter Overmintmark
A famous mid-century mintmark error where a Denver quarter die was first punched with an S mintmark and then re-punched with a D, leaving traces of both letters visible.
Errors & Varieties
1793 Chain Cent
The very first cent struck for circulation by the U.S. Mint, dated 1793, famous for its short-lived and controversial 15-link chain reverse.
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
1888/7 Morgan Dollar Overdate
A collector-recognized overdate die variety of the 1888 Morgan silver dollar, cataloged among the VAM series of Morgan dollar die varieties for specialists to pursue.
Errors & Varieties
Alabama Centennial Half Dollar
A 1921 U.S. commemorative half dollar for Alabama's statehood centennial, notable for depicting a living person and a scarcer '2X2' variety.
Commemorative
1795 Flowing Hair Silver Dollar
One of the earliest United States silver dollars, sharing the Flowing Hair design introduced in 1794 and struck in two collectible leaf-count varieties.
United States
Capped Bust Dime
Struck from 1809 to 1837, the Capped Bust Dime features John Reich's Liberty in a mob cap and comes in a larger early size and a later, reduced-diameter version.
United States
1923-S Standing Liberty Quarter
A scarce San Francisco key date of the Standing Liberty quarter series, valuable in all grades and especially rare with a fully struck head.
United States
1934 Washington Quarter Doubled Die Obverse
An early doubled die variety from the second year of the Washington quarter series, showing doubling on the obverse and collected as part of specialized variety sets.
Errors & Varieties
Panama Balboa Silver
Panama's dollar-sized silver crown, named for explorer Vasco Nunez de Balboa and pegged 1:1 to the US dollar throughout its history.
Latin American
1969-S Doubled Die Lincoln Cent
A rare and valuable San Francisco Mint doubled die error from 1969, showing strong hub doubling on the obverse date and lettering.
Errors & Varieties
Missouri Centennial Half Dollar
A 1921 U.S. commemorative half dollar marking Missouri's centennial of statehood, known for a scarcer '2★4' variety.
Commemorative
1796 Draped Bust Dime
The very first dime struck by the United States Mint, featuring the Draped Bust design with a small eagle reverse and no stated denomination.
United States
1873 Doubled Die Two-Cent Piece
A doubled die variety from the final year of the short-lived two-cent piece, showing noticeable doubling in the date or lettering caused by a die hubbing misalignment.
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