Coin Identifier

Coin Encyclopedia

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

Alexander the Great Tetradrachm

Alexander the Great Tetradrachm

The widely circulated silver coin of Alexander the Great, showing Herakles wearing a lion skin on the obverse and an enthroned Zeus on the reverse, struck across his empire and for generations after his death.

Ancient
Athenian Owl Tetradrachm

Athenian Owl Tetradrachm

Classical Athenian silver coin depicting Athena and her sacred owl, one of the most recognizable and widely circulated coinages of the ancient Mediterranean world.

Ancient
Himera Nymph Tetradrachm

Himera Nymph Tetradrachm

Silver tetradrachm of the Sicilian city of Himera, showing a nymph sacrificing at an altar with a satyr bathing below, referencing the city's famous hot springs.

Ancient
Amphipolis Apollo Tetradrachm

Amphipolis Apollo Tetradrachm

Silver tetradrachm of Amphipolis in Macedon, famous for its masterfully engraved three-quarter facing head of Apollo, widely regarded as a high point of Greek coin art.

Ancient
Antiochos Seleucid Tetradrachm

Antiochos Seleucid Tetradrachm

Silver tetradrachm struck for one of several Seleucid kings named Antiochus, featuring a royal portrait obverse and enthroned Apollo reverse typical of the dynasty.

Ancient
Bactrian Silver Tetradrachm

Bactrian Silver Tetradrachm

Large silver coin of the Greco-Bactrian kings of Central Asia, celebrated for producing some of the finest realistic royal portraiture in all of ancient coinage.

Ancient
Kyrene Silphium Tetradrachm

Kyrene Silphium Tetradrachm

A silver tetradrachm from the North African Greek city of Kyrene featuring the now-extinct silphium plant, the source of the city's legendary wealth as a prized ancient medicinal herb.

Ancient
Pergamon Cistophoric Tetradrachm

Pergamon Cistophoric Tetradrachm

A reduced-weight Hellenistic silver coin introduced by the Attalid kings of Pergamon, named for the sacred cista mystica chest depicted on the obverse and later adopted throughout Roman Asia.

Ancient
Abdera Griffin Tetradrachm

Abdera Griffin Tetradrachm

Silver tetradrachm of the Thracian city of Abdera, featuring the mythical griffin inherited from its mother-city Teos, with magistrates' names on the reverse.

Ancient
Segesta Hound Tetradrachm

Segesta Hound Tetradrachm

Silver coin of Segesta in western Sicily, an Elymian city whose coinage features a hunting hound, linked to local legend of the river god Krimisos.

Ancient
Leontini Lion Tetradrachm

Leontini Lion Tetradrachm

Silver tetradrachm of the Sicilian city of Leontini, showing the laureate head of Apollo and a lion's head or lion with barley grains, alluding to the city's wheat production.

Ancient
Ephesus Bee Tetradrachm

Ephesus Bee Tetradrachm

A silver coin from the Ionian city of Ephesus featuring a bee, sacred symbol of the great Temple of Artemis, paired with a stag on the reverse.

Ancient
Syracuse Arethusa Tetradrachm

Syracuse Arethusa Tetradrachm

A classic silver tetradrachm from ancient Syracuse depicting the nymph Arethusa surrounded by dolphins, one of the most admired coin types of the Greek world.

Ancient
Seleukos I Nikator Tetradrachm

Seleukos I Nikator Tetradrachm

Silver tetradrachm of Seleukos I Nikator, founder of the Seleucid Empire, often showing elephant and Nike-and-trophy imagery celebrating his eastern campaigns.

Ancient
Mende Dionysos on Donkey Tetradrachm

Mende Dionysos on Donkey Tetradrachm

A striking Classical-era silver tetradrachm from the wine-city of Mende, showing the wine-god Dionysos reclining drunkenly on a donkey, one of ancient coinage's most whimsical designs.

Ancient
Mithradates VI Pontos Tetradrachm

Mithradates VI Pontos Tetradrachm

A Hellenistic silver tetradrachm portraying Mithradates VI Eupator of Pontos, Rome's fiercest eastern rival, with his distinctive wind-swept diademed portrait and a grazing stag reverse.

Ancient
Messana Hare and Biga Tetradrachm

Messana Hare and Biga Tetradrachm

Silver tetradrachm of Messana in Sicily, famous for its obverse mule-cart (biga) driven by a charioteer crowned by Nike, paired with a running hare on the reverse.

Ancient
Katane (Catania) Apollo Tetradrachm

Katane (Catania) Apollo Tetradrachm

Silver tetradrachm of Katane in Sicily, admired for its finely engraved Apollo portrait and dynamic quadriga scene, sometimes signed by celebrated die engravers.

Ancient
Demetrios Poliorketes Nike Tetradrachm

Demetrios Poliorketes Nike Tetradrachm

A Hellenistic silver tetradrachm of Demetrios I of Macedon, celebrated for its obverse image of Nike standing on a ship's prow, commemorating his naval victory at Salamis in Cyprus.

Ancient
Panormus Siculo-Punic Tetradrachm

Panormus Siculo-Punic Tetradrachm

A silver tetradrachm struck at Panormus under Carthaginian control in Sicily, blending Greek artistic style with Punic legends, a hallmark of the distinctive Siculo-Punic coinage series.

Ancient
Chalkidian League Apollo Tetradrachm

Chalkidian League Apollo Tetradrachm

Silver tetradrachm issued by the Chalkidian League of northern Greek cities, showing the laureate head of Apollo and a lyre, minted at Olynthus.

Ancient
Lysimachos Tetradrachm (Alexander/Athena)

Lysimachos Tetradrachm (Alexander/Athena)

A silver tetradrachm struck by King Lysimachos, one of Alexander the Great's successors, showing the deified Alexander with a ram's horn and a seated Athena on the reverse.

Ancient
Ptolemy I Soter Tetradrachm

Ptolemy I Soter Tetradrachm

A silver tetradrachm bearing the realistic portrait of Ptolemy I Soter, founder of the Ptolemaic dynasty of Egypt, whose eagle-on-thunderbolt reverse became the enduring badge of Ptolemaic coinage.

Ancient
Naxos Silenus Tetradrachm (Sicily)

Naxos Silenus Tetradrachm (Sicily)

A silver tetradrachm from the Sicilian Greek colony of Naxos, celebrated for its masterful head of Dionysos and a vividly rendered seated Silenus on the reverse.

Ancient