Kings of Macedon, Demetrius I Poliorcetes (306-283 BC) AR fourree Tetradrachm (Silvered bronze, 12.20g, 29mm) Pella, 294-293 BC.
Obv: Nike standing left on prow of galley left, sounding trumpet in right hand, stylis cradled in left arm; eye on prow, waves below
Rev: ΔΗΜΗΤΡΙΟΥ-ΒΑ-ΣΙΛΕΩ-Σ, Poseidon striding left, nude, seen from behind, net draped over extended left arm, brandishing trident in right hand; [ΞΩ] monogram in left field, dolphin left above eight-pointed star in right field.
Ref: Dewing 1196. Newell Demetrius, 68 and pl. VI, 18. HGC 3.1, 1012e.