Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Denarius of Didius Julianus
A silver denarius of Didius Julianus, the short-lived emperor of 193 AD, bearing his laureate portrait and an imperial standing reverse.
Ancient
Antoninianus of Laelianus
Rare billon antoninianus of the short-lived Gallic usurper Laelianus, showing his radiate-crowned bust and a Roman deity or personified virtue.
Ancient Coins
Counterstamped 2 Reales
A Spanish silver 2 reales dated 1803 that was later punched with a WR-and-crown counterstamp, giving it a second, borrowed life as legal tender.
Colonial
Counterstamped 8 Reales
A Charles IV silver 8 reales later punched with counterstamps and pierced with a central hole, layering a second life onto the classic Spanish dollar.
Colonial
1 Gulden (Silver)
Silver 1 Gulden of the Free City of Danzig, dated 1923, carrying the city's coat of arms and its own short-lived currency between the World Wars.
Modern
Dirham of Qirwash ibn al-Muqallad
Silver dirham struck under the Uqaylid amir Qirwash ibn al-Muqallad of Mosul, dated 393 AH (1003 CE), with three-line Arabic legends.
Medieval Islamic
Indian Head Cent
Classic U.S. one-cent piece struck 1859–1909, showing Liberty in a feathered headdress; later dates like 1909 are bronze with an oak-wreath-and-shield reverse.
Small Cent
Banda Singh Bahadur Sikh Rupee
A hand-struck silver rupee of the early Sikh Khalsa, issued in the name of the Sikh Gurus during Banda Singh Bahadur's short-lived sovereignty, dated Khalsa Era Year 2.
Asian
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.
Quarter
Penny 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 Coins
Irish Groat of Henry VIII
A hand-hammered silver fourpence struck for Ireland under Henry VIII, famed for introducing the crowned harp to Irish coinage.
Hammered
Thebes 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.
Ancient
Alexander 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.
Ancient
20 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.
Circulation
Antoninianus of Caracalla
The antoninianus introduced by Caracalla around AD 215, a radiate-crowned double denarius in debased silver that reshaped Roman coinage.
Ancient
American 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.
Colonial
Charles 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.
Milled
Sierra 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.
World
Fatimid 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.
Pattern
George 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
5 Yang
A late-Joseon Korean 5 Yang in bronze: a floral, chrysanthemum-and-taegeuk obverse paired with a coiled dragon and ornamental characters on the reverse.
Historic
10 Sen
A small Meiji-era Japanese silver 10 Sen: a coiled dragon and characters on one face, a rayed sunburst framed by branches on the other.
Circulation
Guangxu Yuanbao 20 Cents
A machine-struck Qing silver 20 cents of the Guangxu era, with a coiled dragon on one face and a yin-yang (taiji) symbol on the other.
Circulation