Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Spanish Colonial 4 Reales
A large silver colonial coin worth half a Spanish dollar, struck for Spain's American empire and bearing the crowned Spanish royal arms.
Colonial
Macao 20 Patacas
A silver 20 patacas of Portuguese-administered Macau: the Portuguese coat of arms on one face and a harbor scene with a Chinese junk on the other.
Circulation
Macao Silver Coin (1974)
A 1974 Macau silver coin marking the Macau-Taipa Bridge: a spanning bridge with a Chinese junk below, ringed by REPUBLICA PORTUGUESA and PONTE MACAU-TAIPA.
Circulation
China Panda Gold Coin
A modern Chinese gold bullion coin with the Temple of Heaven on one side and a giant panda on the other; this 2016 issue is a 30-gram gold piece.
Bullion
Central American Republic 8 Reales
A silver 8 reales of the Central American Republic, showing a rayed sun rising over mountains on one side and a tree on the other, dated 1824.
Circulation
Aratame Sanbu Sadame
A round silver-colored coin with a coiled dragon and the inscription Aratame Sanbu Sadame on one face and a radiating sun on the other, dated 1859.
Historic
Barber Dime
U.S. ten-cent silver coin struck 1892–1916, showing a right-facing Liberty head and a wreath enclosing "ONE DIME" on the reverse.
Dime
Paquet Double Eagle
An 1861 U.S. $20 gold piece with the standard Liberty Head obverse paired with Anthony Paquet's rare tall-letter reverse variety.
Gold Type Coin
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
Tetradrachm of Eretria
A silver tetradrachm attributed to Eretria on Euboea, pairing the head of a female figure with a standing bull and the Greek legend EYBOIA.
Ancient
Tetradrachm of Ptolemy IV
Silver tetradrachm of Ptolemy IV Philopator, 221-204 BC, with the jugate busts of Sarapis and Isis on the obverse and an eagle on a thunderbolt on the reverse.
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
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
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
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
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
Swedish Gold Commemorative
An early-20th-century Swedish gold coin showing a right-facing royal profile with the legend SVERIGES KONUNG and the fatherland motto.
Commemorative
Unidentified Ancient Coin
A worn ancient bronze coin whose exact type is not yet identifiable — a right-facing profile portrait on one side and a faded design on the other.
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
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
Roman Denarius
A small hammered silver coin of ancient Rome, showing an emperor's portrait and abbreviated Latin titles on one side and a deity or figure on the other.
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