Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Denarius of C. Cato
Silver Roman Republican denarius struck at Rome in 123 BC by the moneyer C. Cato, with a helmeted head of Roma and Victory driving a chariot.
Ancient
Denarius of Tiberius (Tribute Penny)
Silver denarius of Emperor Tiberius (14–37 AD), obverse his laureate head, reverse a seated female figure — the famous "Tribute Penny" of the Gospels.
Ancient
Antoninianus of Probus
Late Roman billon antoninianus of Emperor Probus (276-282 AD), identified by his radiate crown portrait on the obverse.
Ancient
Antoninianus of Otacilia Severa
Roman double-denarius of the empress Otacilia Severa, wife of Philip I (246-248 AD), with her draped bust and a standing personification on the reverse.
Ancient
Penny of Cnut
Anglo-Saxon silver penny of King Cnut (Canute), showing a diademed bust facing left with a cross-and-pellets reverse, struck c.1024-1030.
Medieval Coins
Penny 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 Coins
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
Romania International Year of Chemistry Commemorative
Romanian silver 10 lei commemorative dated 2011, issued for the International Year of Chemistry with molecular, laboratory and scientist imagery.
Commemorative
Antoninianus of Laelianus
Rare billon antoninianus of the short-lived Gallic usurper Laelianus, showing his radiate-crowned bust and a Roman deity or personified virtue.
Ancient Coins
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
Dirham of Qirwash ibn al-Muqallad
Silver dirham struck under the Uqaylid amir Qirwash ibn al-Muqallad of Mosul, dated 393 AH (1003 CE), with three-line Arabic legends.
Medieval Islamic
Antoninianus of Aurelian
Late Roman billon coin of Emperor Aurelian, showing his radiate-crowned bust and a standing deity or personification on the reverse.
Ancient Coins
Antoninianus of Salonina
Billon antoninianus of the empress Salonina, wife of Gallienus, showing her draped bust and a standing deity on the reverse (256-257 AD).
Ancient
Gold Dinar of Malik Shah I
A hand-struck Seljuk gold dinar naming Malik Shah I (r. 1072–1092), covered in Arabic inscriptions with the ruler's titles and genealogy and an ornamental cartouche.
Islamic (Medieval)
Sestertius of Nero (Port of Ostia)
A large brass sestertius of the emperor Nero (54–68 AD) showing his portrait on one side and a bird's-eye view of the harbour at Ostia on the other.
Ancient
Antoninianus of Claudius II
A billon antoninianus of the Roman emperor Claudius II Gothicus (268–270 AD), showing his radiate bust on one side and a standing deity on the other.
Ancient
Antoninianus of Trebonianus Gallus
A radiate-crowned billon antoninianus of the emperor Trebonianus Gallus, struck AD 251-253 with a standing deity or personification on the reverse.
Ancient
Spanish Colonial Half Real
The smallest milled silver coin of Spain's American empire: a tiny 1/2 real with a royal bust and the crowned arms between pillars.
Colonial
Yuan Shikai Dollar
A silver one-yuan dollar of the early Chinese Republic bearing the left-facing bust of Yuan Shikai, nicknamed the "Fatman Dollar" by collectors.
Circulation
Scottish Coin (Uncertain)
A worn hammered copper-alloy Scottish coin, apparently of the reign of Charles I, showing a bearded profile and a heraldic reverse with lettering.
Hammered
Papua New Guinea 5 Kina
Papua New Guinea's 1975 five-kina coin: Queen Elizabeth II in profile on the obverse, a bird-of-paradise with the K5 denomination on the reverse.
Circulation
Minnesota State Quarter
2005 U.S. 25-cent coin in the 50 State Quarters series, showing Minnesota's outline, a common loon, anglers in a boat, and pines above 1858.
Quarter
Gold Chervonets
Soviet gold coin of 1923 worth one chervonets (10 rubles), showing a peasant sowing before a rising sun and factories, with the Soviet state emblem.
World
Trinidad and Tobago 5 Cents
A bronze five-cent coin of Trinidad and Tobago showing a perched bird — the Greater Bird of Paradise, often mistaken for a parrot — with FIVE CENTS on the reverse.
Circulation