Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
1805 Draped Bust Quarter
A far more available date than the famous 1804, the 1805 quarter is a popular representative of the Draped Bust, Heraldic Eagle type for collectors building an early American type set.
United States
1950-S/D Washington Quarter Overmintmark
A 1950 San Francisco Washington quarter struck from a die where an S mintmark was punched over a leftover D, creating one of the best-known overmintmark errors in the series.
Errors & Varieties
1943 Bronze Cent
An extremely rare Lincoln cent mistakenly struck in leftover bronze planchets in 1943, a year when cents were officially made of zinc-coated steel to save copper for World War II.
Errors & Varieties
Aegina Sea Turtle Stater
One of the earliest widely circulated Greek silver coins, struck by the island city-state of Aegina, featuring a sea turtle and later a land tortoise, and nicknamed simply 'turtles' by ancient traders.
Ancient
United Arab Emirates Dirham
Federal currency introduced in 1973 after the formation of the UAE, unifying the emirates' varied prior currencies into a single dirham divided into 100 fils.
Asian
Perth Mint Silver Swan
A silver bullion coin from the Perth Mint featuring the black swan, an emblem of Western Australia, with a fresh design issued in most years.
Bullion
Niue Silver Owl (Athenian)
A modern silver bullion coin issued in the name of Niue, reviving the design of the ancient Athenian owl tetradrachm as a tribute to classical coinage.
Bullion
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
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
Anglo-Saxon Silver Sceat
Small, thick early Anglo-Saxon silver coin with enigmatic pagan and Christian imagery, the direct forerunner of the later English penny.
British
Japanese Mon (Kan'ei Tsuho cash coin)
Long-running cast copper or iron cash coin of Edo-period Japan, inscribed 'Kan'ei Tsuho' and produced continuously for well over two centuries.
Asian
Portuguese Escudo
Portugal's national currency unit from the 1911 decimal reform, following the fall of the monarchy, until the Euro replaced it in the early 2000s.
European
1839 Gobrecht Dollar
The final-year Gobrecht dollar, bridging the earlier pattern strikes of 1836-1838 and the full-scale Seated Liberty dollar series that followed in 1840.
United States
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
1889-CC Morgan Dollar
A major key date among Carson City Morgan dollars, with a low mintage of roughly 350,000 coins, making it one of the toughest CC-mint issues to find.
United States
1873 Two-Cent Piece (Proof Only)
The final year of the two-cent piece, struck only in proof for collectors rather than for circulation, and split into Closed 3 and Open 3 date varieties.
United States
1914-D Lincoln Wheat Cent
A famous key-date Lincoln cent struck at the Denver Mint in 1914 in a comparatively low quantity, making it one of the most sought-after dates in the series.
United States
1856 Flying Eagle Cent
An extremely rare pattern-like small cent struck to convince Congress to approve a new, smaller cent design, and one of the most desired key dates in U.S. coinage.
United States
Anglo-Saxon Silver Penny
The standard silver coin of Anglo-Saxon England from the 8th century to the Norman Conquest, naming the issuing king and the moneyer who struck it.
British
Half Farthing
A tiny copper coin worth one-eighth of a penny, struck mainly for use in colonial Ceylon during the reigns of George IV, William IV, and Victoria.
British
Constantine URBS ROMA Commemorative
A small bronze commemorative honoring the city of Rome with a helmeted Roma obverse and the iconic she-wolf suckling Romulus and Remus on the reverse.
Ancient
1921 Standing Liberty Quarter
A low-mintage key date of the Standing Liberty quarter series struck only at Philadelphia, valued for its scarcity across all grades.
United States
1916 Standing Liberty Quarter
The extremely low-mintage first-year issue of the Standing Liberty quarter, one of the most famous key dates in all of United States coinage.
United States