Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Christopher Columbus Quincentenary Silver Dollar
A 1992 U.S. 90% silver commemorative dollar marking 500 years since Columbus's 1492 voyage, with a standing Columbus obverse and a sailing-ship reverse.
Modern CommemorativeDenarius of Cassius Longinus
Silver denarius struck in 42 BC by Gaius Cassius Longinus, one of Caesar's assassins, to pay his legions before the Battle of Philippi.
AncientEast India Company Quarter Anna
Large copper 1/4 anna of the East India Company dated 1835, with a heraldic lion-and-shield obverse and a laurel-wreath reverse.
British IndiaGroat of Henry VIII
A hand-struck Tudor silver groat (fourpence) of Henry VIII, showing the quartered royal arms within a circle and a long cross reverse.
HammeredEdward I Penny
Hammered silver penny of Edward I, showing a crowned facing bust on the obverse and a long voided cross with pellets in the quadrants on the reverse.
Medieval CoinsShilling of George III
A milled silver shilling of George III from the Great Recoinage, with his laureate bust facing right and a crowned quartered royal shield within the Garter.
MilledIrish Gun Money Shilling
A base-metal Irish emergency shilling struck for James II in 1689-1690, with his laureate bust and a crowned reverse dated by month, here October 1689.
Emergency CoinageGold Dinar of al-Hafiz li-Din Allah
A hand-struck Fatimid gold dinar of the caliph al-Hafiz li-Din Allah, carrying only Arabic calligraphy in concentric ring borders and dated AH 544.
Islamic (Medieval)Pennsylvania 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.
QuarterSestertius of Nero (Port of Ostia)
A large brass sestertius of the emperor Nero (54–68 AD) showing his portrait on one side and a bird's-eye view of the harbour at Ostia on the other.
AncientBronze As of Nero
A Roman bronze as struck under the emperor Nero (54–68 AD), bearing his laureate portrait on the obverse and an imperial reverse type.
AncientDenarius of Nero
Silver denarius of the emperor Nero (AD 54-68), the last Julio-Claudian ruler, shown with a laureate portrait and a military-standards reverse.
AncientPenny of Cynethryth
Anglo-Saxon silver penny of Cynethryth, queen of Mercia and wife of Offa, and the only Anglo-Saxon queen named on her own coinage.
Medieval CoinsIrish Groat of Henry VIII
A hand-hammered silver fourpence struck for Ireland under Henry VIII, famed for introducing the crowned harp to Irish coinage.
HammeredThebes Stater
Silver stater of Thebes with the Boeotian shield and a bearded head of Dionysos, struck as federal coinage of the Boeotian League, c. 395-338 BC.
AncientAlexander the Great Gold Quarter Stater
A small gold fraction of the Alexander the Great coinage, showing the head of Heracles and an eagle perched on a thunderbolt, the attributes of Zeus.
Ancient20 Soles de Oro
A Peruvian gold 20 soles de oro showing a seated Liberty with crown, torch and radiant sun, part of Peru's mid-20th-century gold coinage.
CirculationAntoninianus of Caracalla
The antoninianus introduced by Caracalla around AD 215, a radiate-crowned double denarius in debased silver that reshaped Roman coinage.
AncientAmerican Plantations Token
A 1688 tin token struck under James II for England's American colonies, valued at 1/24 of a Spanish real — the first regal-authorized coinage for British America.
ColonialCharles II Halfpenny
A milled copper halfpenny of Charles II showing his laureate bust and a seated Britannia, part of the first regal copper coinage of England, dated 1675.
MilledSierra Leone 20 Cents
A 1964 Sierra Leone 20 cents from the country's first decimal coinage, showing a portrait profile on one side and the national coat of arms with its lion on the other.
WorldFatimid Dinar of Imam Nizar
An 11th-century Fatimid gold dinar with concentric circular Kufic inscriptions naming the ruler and Shi'a invocations, a hallmark of Fatimid coinage.
Islamic (Medieval)Three Graces Pattern Crown
A celebrated 1817 silver pattern crown of George III, engraved by William Wyon and never issued for circulation — a prized masterpiece of British coinage.
PatternGeorge Washington 250th Anniversary Half Dollar
A 1982 U.S. silver half dollar honoring the 250th anniversary of George Washington's birth; it revived both the commemorative program and 90% silver coinage.
Modern Commemorative