Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Tetradrachm of Ptolemy I
Silver tetradrachm of Ptolemy I Soter of Egypt, c. 305-283 BC, with his diademed portrait and the Ptolemaic eagle standing on a thunderbolt.
Ancient
Tetradrachm of Antiochos I Soter
A large Seleucid-era silver coin of Antiochos I Soter, showing a helmeted bearded royal head and a standing elephant, a symbol of eastern military power.
Ancient
Seleucus I Nicator Tetradrachm
Large silver tetradrachm of Seleucus I Nicator, founder of the Seleucid Empire, showing a horned Alexander-type head and a mounted figure with a spear.
Ancient
Syracuse Tetradrachm
Classical silver tetradrachm of Syracuse in Sicily, showing a racing four-horse chariot on one side and a right-facing nymph's head on the other.
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
Rhodes Tetradrachm
Silver tetradrachm of the island city of Rhodes, 4th century BC, with the radiate head of the sun-god Helios and a rose, the city's civic emblem.
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
Tetradrachm of Ptolemy XII
Silver tetradrachm struck under Ptolemy XII of Egypt, father of Cleopatra VII, bearing a diademed royal Ptolemaic head and the dynasty's eagle-on-thunderbolt reverse.
Ancient
Philip II Tetradrachm
A large silver coin of the Macedonian kingdom showing the laureate head of Zeus and a youthful horseman, struck under and after Philip II.
Ancient
Antiochos the Child Tetradrachm
Silver Seleucid tetradrachm, c. 175 BC, with a young diademed head and a martial reverse figure with spear and shield.
Ancient
Ancient Hellenistic Tetradrachm
A large Hellenistic silver tetradrachm with a bearded, curly-haired head on the obverse and an eagle standing on a thunderbolt on the reverse.
Ancient
Alexander the Great Tetradrachm
Silver tetradrachm of Alexander III of Macedon with the head of Heracles in a lion skin and an enthroned deity holding an eagle on the reverse.
Ancient
Tetradrachm of Ptolemy VIII
Silver tetradrachm of Ptolemy VIII of Egypt, c. 170-116 BC, with a diademed royal head on the obverse and an eagle on a thunderbolt reverse.
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
Macedonian Silver Tetradrachm
Large silver tetradrachm of ancient Macedon in the Alexander type, c. 188-170 BC, with the head of Heracles in a lion skin and Zeus enthroned holding an eagle.
Ancient
Athenian Owl Tetradrachm
Broad silver 'New Style' tetradrachm of Athens (c. 165-42 BC): helmeted Athena on the front, owl on an amphora within an olive wreath on the back.
Ancient Coins
Antiochos III Tetradrachm
A large Seleucid silver coin of Antiochos III the Great, showing his diademed head and a seated deity holding shield and spear.
Ancient
Antiochos Hierax Tetradrachm
Silver tetradrachm of the Seleucid prince Antiochos Hierax, c. 242-227 BC, with a diademed royal head and a reverse figure bearing shield and spear.
Ancient
Athens New Style Tetradrachm
Athens' late silver tetradrachm on a broad thin flan: a helmeted Athena obverse and an owl perched on an amphora within an olive wreath.
Ancient
Antigonos II Gonatas Tetradrachm
Silver tetradrachm of the Macedonian king Antigonos II Gonatas, c. 275-270 BC, with a bearded royal head and a seated Nike holding a wreath.
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
Agathokles Commemorative Tetradrachm for Alexander the Great
Silver tetradrachm of Agathokles of Syracuse, c. 310-300 BC, struck in the Alexander tradition with a bearded head and an enthroned deity reverse.
Ancient
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
Solidus of Theodosius I
A late Roman gold solidus struck for the emperor Theodosius I (AD 379-395), showing his diademed portrait and the legend D N THEODOSIVS AVG.
Ancient