Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
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
Battle 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 Commemorative
Groat 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.
Milled
Denarius 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.
Ancient
Denarius 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.
Ancient
Sestertius 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.
Ancient
Denarius 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
Fatimid Dinar of Imam Nizar
An 11th-century Fatimid gold dinar with concentric circular Kufic inscriptions naming the ruler and Shi'a invocations, a hallmark of Fatimid coinage.
Islamic (Medieval)
Denarius of Augustus
Silver denarius of Augustus (c. 19-18 BC) with his bare head and a comet-star of the deified Julius Caesar, inscribed DIVVS IVLIVS.
Ancient Coins
Aureus of Faustina II
Roman imperial gold coin with the draped bust of Faustina II, daughter of Antoninus Pius and wife of Marcus Aurelius, struck around 147-150 AD.
Ancient Coins
Aureus of Marcus Aurelius
Small Roman gold coin of the reign of Marcus Aurelius; this piece shows a diademed portrait and a standing deity or personification, dated to 163 AD.
Ancient Coins
Half Escudo (800 Reis) of Joao V
A small Portuguese gold coin of King Joao V, valued at half an escudo (800 reis), with his laureate bust and a crowned Portuguese shield.
Colonial
Crown of George III (Incorrupta)
A milled crown of George III dated 1817, named for its INCORRUPTA reverse legend, showing a laureate draped bust and crowned royal arms.
Milled
Tetradrachm of Ptolemy VIII
Silver tetradrachm of Ptolemy VIII of Egypt, c. 170-116 BC, with a diademed royal head on the obverse and an eagle on a thunderbolt reverse.
Ancient
Silver Dirham of Sayf ad-Din Inal
A thin Mamluk silver dirham of Sultan al-Ashraf Sayf ad-Din Inal (r. 1453–1461), covered on both faces with Arabic inscriptions naming the sultan and his titles.
Islamic
Denarius of Caracalla
A silver denarius of the Roman emperor Caracalla, struck 198–217 CE, showing his laureate right-facing bust and a Latin legend encircling the design.
Ancient
Two Guineas of George II
A large milled gold two-guinea piece of George II, with his left-facing laureate head and a crowned garnished shield of the royal arms; the pictured coin is dated 1738.
Milled
Dirham of Kamal al-Dawla Gharib
Silver dirham from 10th-century Iraq/Mesopotamia naming the ruler Gharib with the honorific Kamal al-Dawla, struck with Kufic Arabic legends.
Medieval Islamic
Sestertius of Commodus
A large Roman bronze sestertius of Emperor Commodus (180–192 AD), his laureate bearded head on one side and a standing figure on the other.
Ancient
Gold Mohur of Shah Jahan
High-purity gold mohur struck under Mughal emperor Shah Jahan (1628-1658), bearing Persian imperial titles; this example carries the Balkh mint mark.
Mughal India
Spirit of ANZAC Commemorative 50 Cents
A 2015 Australian silver-finish 50-cent commemorative marking the centenary of ANZAC, with soldier imagery and 1915-2015 dating.
Commemoratives
Half Crown of William III and Mary II
A milled silver half crown of the joint reign of William III and Mary II, showing their conjoined busts and a crowned heraldic shield, dated 1691.
Milled
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