Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
American Arts Commemorative Series Gold Medallion
A U.S. Treasury gold bullion medallion series (1980–1984) honoring American artists; the photographed 1981 one-ounce piece features author Mark Twain.
Bullion MedallionGerman 5 Reichsmark (Hindenburg)
German silver 5 Reichsmark of the Third Reich, pairing a portrait of Paul von Hindenburg with an eagle-and-swastika reverse; dated 1936.
CirculationAntoninianus of Otacilia Severa
Roman double-denarius of the empress Otacilia Severa, wife of Philip I (246-248 AD), with her draped bust and a standing personification on the reverse.
Ancient500 Reis
A Portuguese silver 500 Reis of Queen Maria II, with her left-facing draped bust on the obverse and a crowned coat of arms on the reverse.
ModernGerman 5 Reichsmark Garrison Church Commemorative
A 1934 German silver 5 Reichsmark commemorative with a spread-winged Reichsadler and 'Deutsches Reich' on the obverse and the Potsdam Garrison Church reverse.
CommemorativeGustav I Silver Coin
Early-Renaissance Swedish silver of Gustav I Vasa (r. 1523–1560), pairing a crowned armored royal bust with a crowned heraldic lion.
MedievalQuarter Merk
A small hammered silver coin of Scotland worth a quarter of a merk, showing a crowned heraldic shield with a cross and a Latin legend.
HammeredGerman 2 Reichsmark Garrison Church Commemorative
A 1933 German silver 2 Reichsmark commemorative showing the Potsdam Garrison Church tower, issued to mark the "Day of Potsdam."
CommemorativeNumapis Denarius
A silver denarius of the Roman Republic (1st century BC) pairing a male portrait facing right with a ship or galley and lettering on the reverse.
AncientPoltina (½ Rouble)
Silver half-rouble of Imperial Russia dated 1857, marked ПОЛТИНА on one side and bearing the crowned double-headed eagle of the Romanov empire.
ModernCharles II Twopence
A small milled twopence of Charles II, showing the king's profile bust on the obverse and a crowned mark of value on the reverse.
Milled5 Kopecks (Catherine II)
Large copper 5 Kopecks of Catherine the Great, dated 1790 with the EM mint mark, showing a crowned monogram and the imperial double-headed eagle.
Early ModernSeated Liberty Half Dime with Arrows
A tiny silver five-cent piece: Liberty seated with a shield, small arrows flanking the date to mark a reduced weight, over a wreath reverse.
Half DimeReis (Peninsular War)
A 1910 Portuguese silver Reis struck under King Manuel II to mark the centenary of the Peninsular War, dated 1808-1814 across the king's bust.
Modern5 Aurar
Icelandic bronze 5 aurar of the Kingdom era, marked ÍSLAND with a crowned KONUNGDÓMUR ÍSLANDS reverse, struck 1926-1942.
World20 Kronor
Gold 20 kronor of Sweden showing the crowned national arms with three coronets, reverse marked 20 KR and dated 1925.
WorldIrish Pistole
A rare hammered gold emergency coin of 1640s Ireland, marked with its weight in pennyweights and grains rather than a portrait, and rated as a pistole.
HammeredFive Guineas of Anne
Queen Anne's largest gold coin, the celebrated 1703 issue struck with VIGO below the bust from gold captured at the Battle of Vigo Bay.
MilledFlying Eagle Cent
America's first small cent, showing an eagle in flight on the obverse and an agricultural wreath on the reverse; struck 1856–1858 in copper-nickel.
Small CentHalfcrown of William III
A silver two-shilling-and-sixpence coin of William III showing his laureate profile facing right and crowned cruciform shields of arms, dated 1696.
MilledCharles II Half Guinea
A small milled gold coin of Charles II showing the king's laureate profile and a cruciform arrangement of crowned shields on the reverse.
MilledHalf Crown of William IV
A milled British silver half crown of King William IV, with the king's bare head facing right and a crowned royal shield of arms on the reverse.
MilledEisenhower Dollar
Large U.S. dollar coin struck 1971–1978 with Eisenhower's profile and an eagle landing on the Moon, most circulation issues in copper-nickel clad.
Dollar20 Drachmai
Greece's 1884 gold 20 Drachmai of King George I: a small Latin Monetary Union gold coin with the king's portrait and the crowned royal arms.
Modern