Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Copper Fals of Barquq
A hand-struck Mamluk copper fals of Sultan Barquq, struck at Damascus (1382–1389 CE), covered entirely in Arabic calligraphy with no figural imagery.
Islamic (Medieval)Denarius of Commodus
A silver denarius of the Roman emperor Commodus (180–192 AD), with his laureate bearded portrait and a standing deity or personification on the reverse.
AncientSolidus of Constantine II
Late Roman gold solidus of Constantine II, showing his ornately crowned bust and a seated figural reverse type.
Ancient CoinsAureus of Augustus
Roman imperial gold coin bearing the bare head of Augustus, first emperor of Rome, struck during his reign from 27 BC to 14 AD.
Ancient CoinsSestertius of Hadrian
Large Roman bronze sestertius of Emperor Hadrian, showing his bearded curly-haired profile and a standing draped figure with a Latin legend on the reverse.
Ancient CoinsHalf Crown of William IV
A milled British silver half crown of King William IV, with the king's bare head facing right and a crowned royal shield of arms on the reverse.
MilledDenarius 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.
AncientSovereign of George IV
A milled gold sovereign of Great Britain struck under George IV, with the king's laureate head and Pistrucci's St George slaying the dragon reverse, dated 1821.
MilledGold Dinar of Baybars I
A hand-struck gold coin of the Mamluk sultan Baybars I, covered on both faces with Arabic calligraphy naming the ruler and struck in Egypt between 1260 and 1277 CE.
IslamicHalf Sovereign of George III
British 22-carat gold half sovereign of George III, introduced in 1817 with a laureate bust and a crowned shield of arms; face value ten shillings.
MilledHalfcrown of William III
A silver two-shilling-and-sixpence coin of William III showing his laureate profile facing right and crowned cruciform shields of arms, dated 1696.
MilledBill of Rights Silver Dollar
A 1993 U.S. silver dollar honoring the bicentennial of the Bill of Rights, showing a Liberty figure with torch and flags and an eagle above Montpelier.
Modern CommemorativePenny of William I
Hammered silver penny of William the Conqueror, the example showing a profile portrait of the king and a decorated cross reverse, struck circa 1075.
Medieval CoinsGold Dinar of al-Muqtadi
An aniconic Abbasid gold dinar of Caliph al-Muqtadi, covered on both faces with Arabic calligraphy and ornamental borders, struck in the later 11th century.
Islamic (Medieval)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.
AncientClassic Head Half Cent
A small U.S. copper half cent of 1809–1836 showing Liberty in a beaded headband ringed by stars, with a plain wreath and HALF CENT on the reverse.
Half CentMilled 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.
MilledBattle of Antietam Half Dollar
A 1937 U.S. silver half dollar marking 75 years since the Civil War Battle of Antietam, with jugate busts of Lee and McClellan and Burnside Bridge on the reverse.
Classic CommemorativeGroat of William IV
A small silver fourpenny piece of William IV (1836–1837), with a seated Britannia reverse; the coin that revived the modern British groat.
MilledDenarius of Lucius Verus
A silver Roman denarius of the emperor Lucius Verus (161–169 AD), showing his curly-haired, bearded portrait facing right with a Latin legend.
AncientDenarius of M. Sanquinius
A silver denarius struck at Rome in 17 BC by the moneyer M. Sanquinius under Augustus, tied to the Secular Games, with a male portrait and a standing herald.
AncientSestertius of Didius Julianus
A large bronze/orichalcum sestertius of Didius Julianus, the emperor who reigned only weeks in 193 AD — rare, historically charged, and much sought after.
AncientDenarius of C. Antius Restio
Silver Roman Republican denarius struck at Rome in 47 BC by the moneyer C. Antius Restio, pairing an ancestor's portrait with a striding figure and trophy.
AncientDenarius of Antoninus Pius
Silver denarius of the Roman emperor Antoninus Pius (138–161 AD), with his laureate portrait facing right and a legend-and-figure reverse.
Ancient