Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Byzantine Follis
Large bronze follis of the Byzantine Empire, this example under Constans II (from 641 AD), with an imperial portrait and a big M value mark topped by a cross.
MedievalMughal Rupee (Akbar)
A hand-struck Mughal silver rupee of Emperor Akbar dated AH 1003 (AD 1594), covered on both faces with flowing Persian calligraphy and ornamental borders.
HistoricRoman Siliqua
Small late-Roman silver coin of the 4th century AD, with an emperor's portrait facing right and a standing robed figure on the reverse.
AncientAntoninianus 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.
Ancient10 Para
Small Ottoman silver 10 Para dated AH 1280 (1863-1864), with the sultan's calligraphic tughra on one side and an ornamental Arabic-script inscription 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.
Historic1 Kopeck
Small copper 1 Kopeck of Imperial Russia dated 1908, with the value in a wreath on one side and the crowned double-headed eagle on the other.
ModernGerman 20 Mark Gold
German Empire gold 20 mark of Prussia, with Kaiser Wilhelm I's bust and the imperial eagle; a small .900 gold coin from the pre-WWI Goldmark era.
Bullion/goldPahlavi Reign Gold Medal
A gold medal of Pahlavi-era Iran, its obverse a left-facing royal portrait and its reverse the Lion and Sun beneath a crown, dated 1971.
Persia / IranOttoman Manghir
The manghir was the small copper coin of the Ottoman Empire, used for everyday change; this example bears a tughra and dates to the reign of Murad II.
Medieval IslamicRoman Imperial Denarius (Unidentified)
A silver denarius of the Roman Empire, 2nd century AD, showing an emperor's right-facing curly-haired portrait and a standing imperial reverse type.
AncientSolidus of Valens
A late Roman gold solidus struck for Valens, eastern emperor from AD 364 to 378, showing his diademed profile facing right.
AncientSolidus of Valentinian I
The gold solidus of Valentinian I (AD 364-375), a pure-gold coin bearing his pearl-diademed profile that anchored the late Roman monetary system.
AncientSolidus of Valentinian II
A late Roman gold solidus struck for Valentinian II, showing his diademed profile with the obverse legend D N VALENTINIANVS, from the 380s AD.
AncientRoman Quadrans
A small Roman bronze quadrans, worth a quarter of an as, here a heavily corroded piece with a laureate head facing right.
AncientSolidus of Gratian
Late Roman gold solidus of Emperor Gratian (r. 367–383 CE), showing his curly-haired, diademed, draped and cuirassed portrait.
AncientSolidus of Theodosius I
A late Roman gold solidus struck for the emperor Theodosius I (AD 379-395), showing his diademed portrait and the legend D N THEODOSIVS AVG.
AncientSolidus of Galla Placidia
A late Roman gold solidus struck in the name of Galla Placidia, empress and regent, showing her diademed bust and a Victory holding a long cross.
AncientRoman Follis (AE3)
A small late Roman bronze follis of the Constantine I era (AD 320-330), with an emperor's profile obverse and a Victory or vota-in-wreath commemorative reverse.
AncientRoman 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.
AncientSolidus 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.
AncientFollis 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).
AncientDenarius of Macrinus
Silver denarius of Macrinus (r. 217–218 AD), a bearded emperor portrait paired with a standing deity or personification on the reverse.
AncientFollis of Maximian
A large silvered-bronze follis of the emperor Maximian, introduced with Diocletian's coin reform of the Tetrarchy around AD 294.
Ancient