Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
San Francisco-Oakland Bay Bridge Half Dollar
A 1936 U.S. silver commemorative half dollar celebrating the opening of the San Francisco-Oakland Bay Bridge, with a bridge span and a California grizzly bear.
Classic Commemorative
Panama-Pacific Exposition $50 (Octagonal)
An eight-sided $50 gold commemorative struck for San Francisco's 1915 world's fair, showing Minerva and her owl — the largest U.S. coin of its era.
Classic Commemorative
Philippines One Peso
A silver peso struck for the U.S.-administered Philippine Islands, with a standing Liberty and torch and an eagle-over-shield reverse naming the United States.
Southeast Asia
Massachusetts Shilling (1 Shilling 6 Pence)
A colonial-era Massachusetts silver piece valued at one shilling and sixpence, joining a pine-tree obverse with a rising-sun reverse and the date 1779.
Colonial
Pine Tree Shilling
Silver shilling from the Boston mint, struck about 1667–1674 but dated 1652, showing a pine tree beside the legend MASSACHUSETTS.
Colonial
Solidus of Theodosius I
A late Roman gold solidus struck for the emperor Theodosius I (AD 379-395), showing his diademed portrait and the legend D N THEODOSIVS AVG.
Ancient
Penny of Alfred the Great
Hand-struck silver penny of Alfred the Great of Wessex, showing a right-facing royal bust and a cross-based reverse with a moneyer's inscription.
Medieval Coins
Denarius of the Pompeia Family
Silver Roman Republican denarius of the Pompeia family, with a male portrait head and a Victory driving a chariot on the reverse.
Ancient
Denarius of Faustina the Elder
A silver Roman denarius honoring Faustina the Elder, wife of Antoninus Pius, with her draped bust and a seated Fortuna reverse, struck c. 141–161 AD.
Ancient
Crown of the Double Rose
A hammered Tudor gold crown of Henry VIII, valued at five shillings and named for the crowned double Tudor rose that defines its design.
Hammered
Penny of Offa
Thin silver penny of King Offa of Mercia, showing a portrait or name inscription and a cross with geometric ornament on the reverse.
Medieval Coins
Denier of Charles the Bald
A small hammered silver denier of the Carolingian king Charles the Bald (r. 840–877), pairing a cross or monogram design with a ruler's profile.
Medieval
Solidus of Constantine I the Great
Constantine the Great's gold solidus, a high-purity coin struck from about AD 309 that became the standard of late Roman and Byzantine gold.
Ancient
Drachm of Antiochos II Theos
Silver drachm struck under Antiochos II Theos of the Seleukid realm, showing a seated helmeted Athena and, on the reverse, Nike beside an altar.
Ancient
Shilling of Edward VI
A hammered Tudor silver shilling of Edward VI, showing the young king's crowned profile and a reverse cross over the quartered royal-arms shield.
World
Unite of James I
A hammered gold pound coin of James I, named to celebrate the union of England and Scotland under one crown.
Hammered
Denarius of Otho
Silver denarius of the emperor Otho, struck at Rome during his brief AD 69 reign, showing his bare head right with the legend IMP OTHO CAESAR.
Ancient
Styca of Eanred
Small base-metal coin of King Eanred of Northumbria, with a cross and legend on one face and a central symbolic motif on the other.
Medieval Coins
Ecu of Louis XVI
A large French silver ecu of Louis XVI dated 1784: left-facing royal bust obverse, crowned arms of France and Navarre framed by laurel on the reverse.
Royal
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.
Ancient
Denarius of Faustina the Younger
Roman Imperial silver denarius of Faustina the Younger, showing her draped bust with an elaborate curled hairstyle and a standing deity or personification on the reverse.
Ancient
Isle of Man Crown
A 1976 Isle of Man cupronickel crown marking the centenary of the Douglas horse trams, showing a horse-drawn tram beneath an archway on the reverse.
Commemorative
Shilling of Anne
A machine-struck silver shilling of Queen Anne, with her draped bust facing right and a reverse of crowned shields bearing the royal arms in a cross.
Milled
Isle of Man Noble
The Isle of Man Noble: the world's first platinum bullion coin, pairing a crowned Queen Elizabeth II with a Viking longship reverse.
Bullion