Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1878 Twenty-Cent Piece (Proof)
The final-year proof-only issue of the US twenty-cent piece, struck for collectors just before Congress formally ended the short-lived denomination.
United States
1877 Twenty-Cent Piece (Proof)
A proof-only issue of the twenty-cent piece, struck for collectors after the denomination had already been abandoned for regular circulation.
United States
1851 Silver Three-Cent Piece
The first-year issue of the tiny Type I silver three-cent piece, nicknamed the trime, created to ease a national shortage of small change and postage-stamp coinage.
United States
Mexican 10 Pesos Gold 'Hidalgo'
A small Mexican gold coin honoring independence leader Miguel Hidalgo, struck during the Porfiriato and later restruck for the bullion market in the 1950s.
Latin American
1895 Morgan Dollar (King of Morgans)
A legendary Morgan Dollar key date struck only in proof format at Philadelphia, nicknamed the 'King of Morgans' for its extreme rarity within the series.
United States
1872-CC Seated Liberty Dime
A scarce early Carson City dime struck in limited numbers during the mint's formative years, sought after by Seated Liberty and CC-mint specialists alike.
United States
1861 Confederate Half Dollar
An extraordinarily rare Civil War-era coin struck briefly at the Confederate-controlled New Orleans mint, using a genuine CSA reverse die paired with an existing US half dollar obverse.
United States
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
Vienna Philharmonic
Austria's celebrated bullion coin family built around a shared musical design honoring the Vienna Philharmonic Orchestra, issued in gold, silver, and platinum.
Bullion
Chinese Silver Panda
China's annual silver bullion coin, issued since 1983 with a new panda design nearly every year, popular with both silver stackers and dedicated Panda date-set collectors.
Bullion
1907 High Relief Double Eagle
Sculptor Augustus Saint-Gaudens' original, dramatically high-relief double eagle design, struck in limited numbers in 1907 before being flattened for mass production; widely called America's most beautiful coin.
United States
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
1975 No S Proof Roosevelt Dime
One of the rarest and most valuable modern US coin errors: a 1975 proof dime struck without its San Francisco 'S' mintmark, with only a handful of examples known.
Errors & Varieties
1995 Doubled Die Lincoln Cent
A widely collected doubled die variety showing clear doubling on LIBERTY and IN GOD WE TRUST on the obverse, notable for being far more available in circulation than earlier famous Lincoln cent doubled dies.
Errors & Varieties
1973 RCMP Centennial Dollar
A commemorative Canadian dollar marking the centennial of the founding of the North-West Mounted Police, forerunner of the RCMP, showing a mounted officer on the reverse.
Canadian
1856-S Seated Liberty Quarter
A scarcer San Francisco-minted date in the Seated Liberty quarter series, struck in the mint's early years and prized by collectors, especially in higher grades.
United States
1858 Seated Liberty Quarter
A comparatively plentiful mid-series No Motto Seated Liberty quarter, popular as an affordable entry point for collectors seeking a representative example of the type.
United States
1972 Doubled Die Lincoln Cent
A famous Lincoln cent error showing strong doubling on the obverse date and lettering, caused by a misaligned die hub during production at the Philadelphia Mint.
Errors & Varieties
1877 Shield Nickel (Proof Only)
A major Shield Nickel rarity struck exclusively as proof coinage for collectors, with no business strikes produced for circulation that year.
United States
1878 Shield Nickel (Proof Only)
Another proof-only rarity in the Shield Nickel series, struck exclusively for collectors with no business-strike coinage issued for circulation that year.
United States
1970-S Small Date Lincoln Cent
A scarcer date-size variety of the 1970-S Lincoln cent featuring a smaller, lower-positioned 7 in the date compared to the more common large date variety struck the same year.
Errors & Varieties
Swiss 10 Francs Gold Vreneli
The smallest denomination of Switzerland's iconic "Vreneli" gold series, featuring a Swiss maiden's profile, prized by collectors and gold buyers alike for its classic design and modest size.
European
1936 Voyageur Silver Dollar
The first regular-issue (non-commemorative) Canadian silver dollar, continuing the Voyageur canoe design introduced the previous year for George V's Silver Jubilee.
Canadian
1936 Doubled Die Lincoln Cent
A doubled die obverse variety of the 1936 wheat cent showing visible doubling in the date and lettering, recognized in two distinct doubling strengths by collectors.
Errors & Varieties