Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
Denarius of Julia Domna
Roman silver denarius of the empress Julia Domna (193-217 CE), with her draped bust and a standing goddess or personification on the reverse.
Ancient
Lysimachos Tetradrachm
Silver tetradrachm of Lysimachos of Thrace, c. 297-282 BC, showing the deified head of Alexander the Great and Athena seated with a shield and spear.
Ancient
Antoninianus of Carus
Late-Roman bronze radiate of the emperor Carus (282-283 AD), showing his bearded, spiky-crowned head and a standing personification on the reverse.
Ancient
Antoninianus of Caracalla
The antoninianus introduced by Caracalla around AD 215, a radiate-crowned double denarius in debased silver that reshaped Roman coinage.
Ancient
Alexander the Great Gold Stater
Gold stater struck in the name of Alexander the Great, with a helmeted Athena obverse and Nike holding a wreath on the reverse; this example c. 323-315 BC.
Ancient
Antiochos IV Epiphanes Tetradrachm
Large silver tetradrachm of the Seleucid king Antiochos IV Epiphanes, 175-164 BC, with his diademed head and an enthroned deity reverse.
Ancient
Sestertius of Alexander Severus
Large Roman bronze sestertius of emperor Alexander Severus (222-235 AD), showing his youthful head and a standing figure of Providentia.
Ancient Coins
Denarius of Vitellius
A silver denarius of the emperor Vitellius, struck during his brief reign in AD 69, showing his heavy-jowled portrait with curly hair.
Ancient
Denarius of Marcus Aurelius
Roman silver denarius of Marcus Aurelius (c. 170-171 AD): laureate bearded emperor on the obverse, a standing personification on the reverse.
Ancient
Aureus of A. Manlius Vulso
A rare late-Republican Roman gold aureus of the moneyer A. Manlius Vulso, c. 80 BC, showing a capped head and a horseman carrying a military ensign.
Ancient
Antoninianus of Tetricus I
A billon antoninianus of the Gallic emperor Tetricus I (270–273 AD), showing his radiate portrait and a standing figure of Pax on the reverse.
Ancient
1 Penni
Finland's smallest post-1963 coin: a tiny light base-metal piece with a bold numeral 1 and SUOMI on the front and a geometric line pattern on the back.
World
Gold Chervonets
Soviet gold coin of 1923 worth one chervonets (10 rubles), showing a peasant sowing before a rising sun and factories, with the Soviet state emblem.
World
Reis (Peninsular War)
A 1910 Portuguese silver Reis struck under King Manuel II to mark the centenary of the Peninsular War, dated 1808-1814 across the king's bust.
Modern
Corinthian Drachm
A silver drachm of ancient Corinth pairing a helmeted head of Athena with the city's emblem, the winged horse Pegasus, struck in the mid-4th century BC.
Ancient
2 Soldi
A small base-metal coin of the Republic of Genoa worth two soldi, typically showing a heraldic lion and a fortified castle gateway.
Early Modern
Venetian Ducat
A medieval gold ducat of the Republic of Venice, showing Saint Mark presenting a banner to the kneeling Doge on one side and Christ on the other.
Medieval
Teston of Henri II
A French Renaissance silver teston of Henri II (1547-1559): the king's realistic profile bust right, a crowned fleur-de-lis coat of arms on the reverse.
Renaissance
Milled Sixpence of Elizabeth I
An early machine-struck English silver sixpence of Elizabeth I, showing her crowned draped bust with a rose and the royal shield above a date.
Milled
Penny of Aethelred II
Anglo-Saxon silver penny of King Aethelred II showing his diademed bust facing left and a cross with pellets and ornament on the reverse.
Medieval Coins
Edward V Angel
Gold angel struck in the brief 1483 reign of Edward V, showing Saint Michael the archangel spearing a demon, with a royal shield of arms on the reverse.
Medieval Coins
Edward IV Half Groat
Hammered silver half groat (twopence) of Edward IV, with a crowned royal bust and a long-cross reverse, struck at English mints between 1461 and 1483.
Medieval Coins
Indian Head Quarter Eagle
U.S. $2.50 gold coin of 1908–1929 with a sunken (incuse) design: an Indian in a feathered war bonnet on the obverse and a standing eagle reverse.
Quarter Eagle