Tetradrachm of Demetrios Poliorketes, Demetrias
r. 306-283 BCE
Demetrios I Poliorketes
Greek
Obverse: Diademed and horned head of Demetrius r.
Reverse: Poseidon with trident, standing l. with r. foot on rock; beneath, two monograms.
Silver
Hellenistic period, Early