Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Aureus of Constantine I the Great
A Roman gold aureus struck for Constantine I the Great, showing his laureate portrait, from the era of his rise to sole power around AD 313.
AncientDenarius of Nerva
Roman Imperial silver denarius of Emperor Nerva (96-98 AD), with his laureate portrait and the legend IMP NERVA CAES AVG, and a seated Concordia reverse.
Ancient1 Krona (Gold)
A gold 1 krona of Sweden dated 1906, bearing the left-facing portrait of King Oscar II and the Swedish royal coat of arms with lions and three crowns.
ModernArkansas Centennial Half Dollar (Robinson)
A 1936 U.S. silver commemorative half dollar pairing a portrait of Senator Joseph T. Robinson with the Arkansas Centennial eagle; a scarce one-year Philadelphia issue.
Classic CommemorativeSpade Guinea
A late George III gold guinea named for the distinctive spade-shaped shield on its reverse, struck in England from 1787 into the early 1800s.
Milled1 Riksdaler Specie
Large silver Riksdaler Specie of Sweden under King Oscar I, dated 1845, bearing his right-facing portrait, royal motto, and the Swedish coat of arms.
ModernAustria-Hungary 10 Kreuzer
A small low-grade silver 10 Kreuzer of Emperor Franz Joseph I, pairing his laureate portrait with a crowned double-headed imperial eagle and a 10 value shield.
CirculationPennsylvania State Quarter
1999 U.S. 25-cent piece, second in the 50 State Quarters series, showing the Commonwealth statue, state outline, and a keystone for Pennsylvania.
QuarterFrance 20 Centimes
A small gold-colored French Fifth Republic coin showing Marianne in profile, worth one-fifth of a franc, struck for four decades before the euro.
CirculationBroad
A gold twenty-shilling coin of the Protectorate bearing Oliver Cromwell's Roman-style profile and a crowned quartered shield, dated 1656.
HammeredPhilippines 20 Centavos
A small wartime silver 20 centavos of the Commonwealth-era Philippines: a standing Liberty figure and Mayon volcano, with an eagle over a shield on the reverse.
Southeast AsiaAustralian Florin
Australia's pre-decimal silver two-shilling coin, showing the Commonwealth coat of arms with kangaroo and emu supporters and the reigning monarch.
World CoinsFrench Semeuse 5 Francs
A silver French 5-franc coin of the Fifth Republic showing the Sower (Semeuse) striding left, with a flowered wreath around the value on the reverse.
CirculationLewis and Clark Bicentennial Dollar
A golden manganese-brass dollar marking the 2004 bicentennial of the Lewis and Clark Expedition, pairing the two explorers with Peace and Friendship imagery.
CommemorativeAustralian Sixpence
Small silver sixpence of the Commonwealth of Australia; this 1935 piece carries the crowned bust of King George V.
Australian50 Korun
A 1944 silver 50 korun of the wartime Slovak State, showing the profile of Jozef Tiso and a shield with a double cross, struck for the state's fifth anniversary.
ModernBooker T. Washington Memorial Half Dollar
A U.S. silver commemorative half dollar (1946–1951) honoring educator Booker T. Washington, the first African American portrayed on a U.S. coin.
Classic Commemorative