Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
10 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 Modern
Atilia Denarius
Roman Republican silver denarius struck by a moneyer of the gens Atilia, with a helmeted head on the obverse and a deity or figure with the family name on the reverse.
Ancient
5 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.
Historic
Quincunx of Luceria
A cast bronze quincunx of Luceria in Apulia (3rd century BC), showing a female head and a five-point floral or star device marking five unciae.
Ancient
Denarius of the Pompeia Family
Silver Roman Republican denarius of the Pompeia family, with a male portrait head and a Victory driving a chariot on the reverse.
Ancient
1 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.
Modern
Austria-Hungary 15 Kreuzer
A large copper 15 Kreuzer of 1807 struck under Emperor Franz I, showing his crowned laureate profile on the obverse.
Circulation
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
Denarius 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.
Ancient
German 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/gold
Austria-Hungary 1/4 Kreuzer
A small copper 1/4 Kreuzer of the Austrian Empire dated 1816, showing Emperor Franz I in crowned right-facing profile.
Circulation
Solidus of Constantius II
Late Roman gold solidus of Emperor Constantius II (337-361 AD), showing his diademed bust facing right paired with a seated-figure reverse.
Ancient Coins
Caecidius Noctua Denarius
A silver Roman Republican denarius of the owl (noctua) symbol series, catalogued RRC 135/1 and dated c. 194–190 BC.
Ancient
Solidus of Valens
A late Roman gold solidus struck for Valens, eastern emperor from AD 364 to 378, showing his diademed profile facing right.
Ancient
Solidus 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.
Ancient
Solidus 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.
Ancient
Solidus 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.
Ancient
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
Follis 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).
Ancient
Denarius of Macrinus
Silver denarius of Macrinus (r. 217–218 AD), a bearded emperor portrait paired with a standing deity or personification on the reverse.
Ancient
Follis of Maximian
A large silvered-bronze follis of the emperor Maximian, introduced with Diocletian's coin reform of the Tetrarchy around AD 294.
Ancient
Centenionalis of Constans
A mid-4th-century Roman bronze of Constans bearing the FEL TEMP REPARATIO reform reverse, showing a soldier lifting a small captive from a hut.
Ancient
Commemorative Follis of Constantinople
Bronze city-commemorative of Constantine's era (330-340 AD): helmeted Constantinopolis on the obverse, a Victory standing on a ship's prow on the reverse.
Ancient