Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Guinea of George II
A milled gold guinea of Great Britain struck during the reign of George II, with a left-facing royal bust and a crowned heraldic shield reverse.
MilledCeltic Gold Quarter Stater
A small Iron Age gold coin struck by the Celtic peoples of ancient Britain, valued at one-quarter of a full stater and marked by abstract, geometric designs.
AncientIrish Groat of Henry VIII
A hand-hammered silver fourpence struck for Ireland under Henry VIII, famed for introducing the crowned harp to Irish coinage.
HammeredHalf Groat of Henry VIII
A small hammered English silver coin worth twopence, struck across the reign of Henry VIII and bearing his crowned facing bust.
HammeredNummus 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.
AncientGold Dinar of Malik Shah I
A hand-struck Seljuk gold dinar naming Malik Shah I (r. 1072–1092), covered in Arabic inscriptions with the ruler's titles and genealogy and an ornamental cartouche.
Islamic (Medieval)Macedonian Silver Tetradrachm
Large silver tetradrachm of ancient Macedon in the Alexander type, c. 188-170 BC, with the head of Heracles in a lion skin and Zeus enthroned holding an eagle.
AncientKeicho Oban
A large, thin oval Japanese gold oban of the Keicho era, hammer-marked with horizontal striations and bearing brush-inked ink signatures and paulownia crests.
HistoricPenny of Cnut
Anglo-Saxon silver penny of King Cnut (Canute), showing a diademed bust facing left with a cross-and-pellets reverse, struck c.1024-1030.
Medieval CoinsDavid II Groat
A hammered silver groat of David II of Scotland, showing his crowned portrait on the obverse and a Scottish shield with long-cross reverse.
HammeredHenry VII Groat
Hammered silver fourpence of Henry VII, first Tudor king, showing a crowned royal portrait on one side and a shield of the English arms on the other.
Medieval CoinsGroat 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 IV Groat
A hammered silver fourpence of King Edward IV of England, struck 1461-1483, with a crowned facing bust on one side and a long cross with rosettes on the other.
Medieval CoinsAntiochos III Tetradrachm
A large Seleucid silver coin of Antiochos III the Great, showing his diademed head and a seated deity holding shield and spear.
AncientGold Stater of the Catuvellauni and Trinovantes
An Iron Age British gold stater of the Catuvellauni and Trinovantes, showing stylized wheat/barley ears on one face and a dynamic horse on the other.
AncientSolidus of Justinian I
Byzantine gold solidus of Emperor Justinian I (527-565 AD), showing his crowned imperial bust with a seated figure on the reverse.
Ancient CoinsGold Dinar of Alp Arslan
A hand-struck Islamic gold coin of the Great Seljuk sultan Alp Arslan, covered in concentric Arabic inscriptions naming the ruler and caliph, AH 455–465.
IslamicGeorge IV One Eighth Spanish Dollar
Small 1822 British colonial silver coin from the George IV "Anchor Money," a fraction of the Spanish dollar used in the West Indies and Mauritius.
ColonialBronze Coin of Cleopatra VII
Ptolemaic bronze coin of Cleopatra VII of Egypt, 51-30 BC, showing her draped diademed bust in profile as sole named female ruler of the dynasty.
Ancient5 Aurar
Icelandic bronze 5 aurar of the Kingdom era, marked ÍSLAND with a crowned KONUNGDÓMUR ÍSLANDS reverse, struck 1926-1942.
WorldKopek (Peter I)
An early copper kopek of Peter the Great, showing a profile of Peter I and Cyrillic legends on one side and the Russian double-headed eagle on the other.
Early Modern5 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.
Historic5 Kopecks (Catherine II)
Large copper 5 Kopecks of Catherine the Great, dated 1790 with the EM mint mark, showing a crowned monogram and the imperial double-headed eagle.
Early ModernLebanese 1 Piastre
A small holed bronze 1 Piastre of Greater Lebanon dated 1925, struck under the French Mandate, with bilingual legends and an ornamental wreath framing the value.
World