Coin Identifier

Coin Encyclopedia

Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.

Claudius Denarius

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

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
Lydian Croeseid (Croesus Stater)

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
Roman Denarius

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
Magnentius Double Centenionalis

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

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
Julian II Bull Bronze

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

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
Trajan Sestertius

Trajan Sestertius

A large bronze coin of Trajan, whose reign brought the Roman Empire to its greatest territorial extent, with reverses celebrating Dacian conquest, public works, and Trajan's Column.

Ancient
Faustina the Elder Denarius

Faustina the Elder Denarius

Posthumous silver denarius honoring Faustina the Elder, wife of Antoninus Pius, struck for two decades after her death and deification in 140/141 AD.

Ancient
Aurelian Antoninianus

Aurelian Antoninianus

Radiate coin of Aurelian, the soldier-emperor who reunited the fractured Roman Empire and enacted a major coinage reform introducing standardized silver content marked with XXI or KA.

Ancient
Probus Antoninianus

Probus Antoninianus

Radiate coin of Probus, a capable soldier-emperor who defended the frontiers against Germanic incursions and issued coinage noted for elaborate consular and military portrait styles.

Ancient
Maximinus Thrax Denarius

Maximinus Thrax Denarius

Silver denarius of Maximinus Thrax, the first Roman emperor risen from the common soldiery rather than the senatorial class, ruling amid the onset of the Crisis of the Third Century.

Ancient
Elagabalus Denarius

Elagabalus Denarius

Silver denarius of the teenage Syrian priest-emperor Elagabalus, whose brief, scandal-ridden reign is reflected in unusual reverse types tied to his sun-god cult.

Ancient
Caracalla Antoninianus

Caracalla Antoninianus

The first antoninianus coins, introduced by Caracalla in 215 AD as a debased double-denarius identified by the emperor's radiate crown.

Ancient
Julia Domna Denarius

Julia Domna Denarius

Silver denarius of Julia Domna, Syrian-born wife of Septimius Severus and mother of Caracalla, a politically influential empress of the Severan dynasty.

Ancient
Septimius Severus Denarius

Septimius Severus Denarius

Silver denarius of Septimius Severus, African-born founder of the Severan dynasty, who rose to power through the civil wars following Commodus's death.

Ancient
Faustina the Younger Denarius

Faustina the Younger Denarius

Silver denarius of Faustina the Younger, daughter of Antoninus Pius and wife of Marcus Aurelius, whose coinage emphasizes fertility and family themes.

Ancient
Commodus Denarius

Commodus Denarius

Silver denarius of Commodus, the erratic son of Marcus Aurelius, whose later coinage famously depicted him as Hercules with lion skin and club.

Ancient
Theodosius I Solidus

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
Julius Caesar Elephant Denarius

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

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
Philip II of Macedon Gold Stater

Philip II of Macedon Gold Stater

A gold stater struck under Philip II of Macedon, father of Alexander the Great, widely circulated and imitated across the ancient Mediterranean and beyond.

Ancient
Antoninus Pius Denarius

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