Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.

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
1918/7-S Standing Liberty Quarter Overdate
One of the most famous overdate varieties in U.S. coinage, where a leftover 1917 die was re-punched with an 1918 date, leaving remnants of the 7 visible beneath the 8.
Errors & Varieties
Egyptian 10 Piastres (silver)
A workhorse silver coin of Khedival, Sultanate, and Kingdom-era Egypt, one-tenth of a pound and commonly found in worn circulated grades from decades of daily use.
Africa & Oceania
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
Terina Nike Nomos
A silver nomos from the South Italian city of Terina, celebrated among collectors for its graceful depictions of Nike, the winged goddess of victory, on the reverse.
Ancient
Naxos Silenus Tetradrachm (Sicily)
A silver tetradrachm from the Sicilian Greek colony of Naxos, celebrated for its masterful head of Dionysos and a vividly rendered seated Silenus on the reverse.
Ancient
Egyptian Pound (gold)
Egypt's principal gold coin, struck from the Khedivate through the Sultanate and early Kingdom era, carrying the ruler's portrait or tughra and Arabic legends.
Africa & Oceania
1799/8 Draped Bust Silver Dollar Overdate
A prized die variety of the Draped Bust silver dollar where an 1799 obverse die was punched over a leftover 1798 date, leaving overlapping digits visible under magnification.
Errors & Varieties
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
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
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
Half Crown Gold
A small gold coin worth half a gold crown, struck from the reign of Henry VIII through the English Civil War, distinct from the far more familiar silver half crown that circulated for centuries afterward.
British
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
English Crown
A large English silver coin worth five shillings, first struck under Henry VIII, that became one of Britain's most artistically celebrated denominations before decimalization.
British
Netherlands Rijksdaalder Gulden
The 2.5 guilder coin of the Kingdom of the Netherlands, carrying forward the historic rijksdaalder name through the monarchy era until the euro's adoption.
European
Syracuse Decadrachm
A large, exquisitely engraved silver coin from the Greek city of Syracuse, celebrated as one of the finest achievements of ancient Greek numismatic art, featuring the nymph Arethusa and a victorious chariot.
Ancient
Netherlands 2½ Gulden
The largest regularly circulating silver coin of the Kingdom of the Netherlands, popularly nicknamed "rijksdaalder," featuring the reigning monarch's portrait across more than a century of Dutch coinage.
European
Belgian 5 Francs
A large silver crown of the newly independent Kingdom of Belgium, bearing the portrait of Leopold I or Leopold II and the national coat of arms, a flagship coin of the young nation's currency.
European
Stone Mountain Memorial Half Dollar
A 1925 commemorative half dollar depicting Confederate generals Robert E. Lee and Stonewall Jackson on horseback, issued to fund the massive Stone Mountain carving in Georgia.
Commemorative
Unite
A gold twenty-shilling coin introduced by James I in 1604 to celebrate the union of the English and Scottish crowns, its name literally symbolizing the joining of the two kingdoms.
British
Nepal Silver Mohar
A traditional silver denomination issued by the Malla city-kingdoms and later the unifying Shah dynasty of Nepal, typically bearing Devanagari script rather than portraits.
Asian