Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Gordian III Antoninianus
Radiate silver coin of Gordian III, who became sole emperor at about thirteen years old and reigned through Rome's costly war with Sassanid Persia.
Ancient
Caracalla Denarius
Silver denarius of Caracalla, son of Septimius Severus, remembered for extending Roman citizenship empire-wide and for murdering his brother Geta.
Ancient
Hadrian Travel Series Denarius
A celebrated series of silver denarii issued late in Hadrian's reign, personifying the many provinces he famously toured throughout the Roman Empire.
Ancient
Titus Denarius
The silver denarius of Emperor Titus, second Flavian ruler, celebrated for completing the Colosseum and for a short, well-regarded reign.
Ancient
Lydian Croeseid (Croesus Stater)
One of history's earliest bimetallic coinages, struck under the legendary King Croesus of Lydia, featuring the confronting foreparts of a lion and a bull.
Ancient
Indian Punch-Marked Karshapana
Among the earliest coins of South Asia, irregular silver bars struck repeatedly with multiple unrelated symbol punches rather than a single unified design.
Ancient
Caligula Sestertius
A large brass sestertius of the notorious emperor Caligula, a scarce and historically fascinating coin due to his short, controversial reign and later condemnation.
Ancient
Valens Siliqua
A thin silver siliqua of Valens, eastern Roman emperor who died at the disastrous Battle of Adrianople against the Goths in 378 AD.
Ancient
Claudius Denarius
A silver denarius of Emperor Claudius, whose unexpected rise to power after Caligula's assassination was famously secured with the support of the Praetorian Guard.
Ancient
Tiberius Tribute Penny Denarius
The famous silver denarius of Emperor Tiberius traditionally identified as the biblical 'Tribute Penny' from the New Testament's 'Render unto Caesar' episode.
Ancient
Augustus Aureus Gaius and Lucius Caesar
One of the most common ancient gold coins, an Augustus aureus honoring his grandsons and intended heirs Gaius and Lucius Caesar, both of whom died young.
Ancient
Constantius II Centenionalis
A bronze centenionalis of Constantius II featuring the dramatic 'Fallen Horseman' reverse, one of the most famous designs of the Late Roman Empire.
Ancient
Constantine URBS ROMA Commemorative
A small bronze commemorative honoring the city of Rome with a helmeted Roma obverse and the iconic she-wolf suckling Romulus and Remus on the reverse.
Ancient
Constantine CONSTANTINOPOLIS Commemorative
A small bronze commemorative celebrating the founding of Constantinople, showing Victory standing on a ship's prow on the reverse.
Ancient
Roman Denarius
The workhorse silver coin of ancient Rome for over four centuries, used across the Republic and Empire and one of the most widely collected categories of ancient coinage today.
Ancient
Theodosius I Solidus
A gold solidus of Theodosius I, the last emperor to rule a united Roman Empire and the ruler who made Nicene Christianity the state religion.
Ancient
Magnentius Double Centenionalis
A large bronze coin of the usurper Magnentius featuring one of the earliest large Christian Chi-Rho symbols on Roman coinage.
Ancient
Valentinian I Solidus
A high-purity gold solidus of Valentinian I, founder of the Valentinianic dynasty, reflecting the stable gold standard established under Constantine.
Ancient
Julius Caesar Elephant Denarius
One of the most widely recognized ancient Roman coins, struck under Julius Caesar's authority and depicting an elephant trampling a serpent, likely a symbolic image tied to Caesar's political struggles.
Ancient
Roman Aureus of Augustus
A gold coin struck under Rome's first emperor, Augustus, marking the establishment of a stable imperial gold coinage that funded and symbolized the new Roman Empire.
Ancient
Julian II Bull Bronze
A large bronze maiorina of Julian the Apostate with a bull reverse, associated with his brief attempt to revive traditional pagan worship in Rome.
Ancient
Constantine Sol Invictus Follis
A common bronze follis of Constantine the Great honoring Sol Invictus, the radiate sun god, struck empire-wide before his turn toward Christianity.
Ancient
Antoninus Pius Denarius
Silver denarius of Antoninus Pius, whose long, peaceful reign is remembered for stability and prosperity, including coins marking Rome's 900th anniversary.
Ancient
Nerva Denarius
Silver denarius of the elderly senator Nerva, first of Rome's "Five Good Emperors," whose brief reign is best remembered for adopting Trajan as his successor.
Ancient