Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Irish Gun Money Halfcrown (30 Pence)
Emergency base-metal halfcrown struck for James II in Ireland during 1689–1690, valued at 30 pence and carrying his portrait and, on many issues, the month of striking.
Emergency Coinage
Maundy Three Pence
A tiny sterling-silver threepence tied to Britain's Royal Maundy tradition; the photographed 1687 coin shows James II's bust and a crowned Roman numeral III.
Maundy
British Silver Threepence
Tiny sterling-silver threepence of Queen Victoria; the young-head type shown here dates to 1858 and is one of Britain's smallest circulating coins.
British Isles
Nummus of Constantine I
Small late Roman bronze nummus (follis) of Constantine I the Great (306-337 CE), identified by his right-facing imperial portrait on the obverse.
Ancient
New Zealand Threepence
New Zealand's small silver threepence; this 1933 example carries the crowned bust of King George V with GEORGIVS V and his royal titles.
New Zealand
Australian Threepence
Australia's small pre-decimal silver threepence (3d), the country's tiniest coin, struck 1910-1964. The example shown carries a George V portrait.
Australian
Follis of Licinius I
A small bronze follis of the emperor Licinius I (AD 308-324), showing his portrait and a standing deity reverse, struck around AD 320-321.
Ancient
Follis of Crispus
A small bronze follis of Crispus, eldest son of Constantine the Great, with his diademed bust and a winged Victory reverse (317-326 AD).
Ancient
Threepence of Elizabeth I
A hammered silver threepence of Elizabeth I, showing her crowned profile with a rose behind and a dated shield reverse, struck across her long reign.
Hammered
Roman Centenionalis
A small fourth-century Roman bronze coin, part of the reformed low-value currency struck across the empire's mints during a period of frequent monetary change.
Ancient
Maundy Money Threepence
A tiny sterling-silver British threepence; the 1687 James II example shows a crowned bust and a crowned Roman numeral III on the reverse.
Maundy
Half Centenionalis of Constans or Constantius II
A small mid-4th-century Roman bronze attributed to Constans or Constantius II, sons of Constantine the Great, worn but identifiable by its imperial portrait and era.
Ancient
Follis of Constantine I and Crispus
A late-Roman bronze follis linking Constantine the Great to his son Crispus, with the emperor's right-facing portrait and a paired father-and-son bust reverse.
Ancient
1 Yen (Silver)
An early Meiji silver 1 Yen struck in Meiji 3 (1870), showing a coiled dragon with a radiant sun on one side and a wreathed imperial crest on the other.
Circulation
Roman Victoriatus
Silver Roman Republican victoriatus of the late 3rd–2nd century BC, with the laureate head of Jupiter and a Victory crowning a trophy above ROMA.
Ancient
Quincunx of Capua
Bronze quincunx (5 unciae) struck by Capua in Campania in the 3rd century BC, pairing a diademed female head with a lion or griffin and five value pellets.
Ancient
Quincunx of Luceria
A cast bronze quincunx of Luceria in Apulia (3rd century BC), showing a female head and a five-point floral or star device marking five unciae.
Ancient
Japanese 5 Yen
Small Meiji-era Japanese gold coin with an imperial chrysanthemum and characters on the obverse and a floral wreath framing the 5 Yen value.
World Coins
Gold Dinar of al-Mu'izz li-Din Allah
A gold dinar of the Fatimid caliph al-Mu'izz li-Din Allah dated AH 343, struck as concentric Arabic inscriptions with no image on either face.
Islamic (Medieval)
Gold Dinar of Abu'l-Fawaris Ahmad (Buyid)
A hand-struck gold dinar of the Iranian Buyid dynasty, naming the emir Abu'l-Fawaris Ahmad and dated AH 358, covered entirely in Kufic Arabic with no imagery.
Islamic (Medieval)
Germany 2 Euro Erasmus Programme Commemorative
A German 2 Euro commemorative dated 2022 marking the Erasmus Programme, its obverse showing a student figure with a globe and the reverse the ring of European stars.
Commemorative
Bermuda Crown
Bermuda's 1959 silver Crown: Queen Elizabeth II in profile on the obverse, two sailing ships above the island group on the reverse.
Commemorative
Gold Dinar of Abu'l-Hasan Ali
A high-purity Islamic gold dinar dated AH 351 (961-962 CE) in the name of the Ikhshidid ruler Abu'l-Hasan Ali, struck in fully calligraphic Kufic script.
Islamic (Medieval)
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