Macedon, Demetrios Polioketes, (306-285BC), AR Tetradrachm, 16.9 g., (294-288BC), Amphipolis, diademed head right, with horn, rev. Poseidon, standing left, right foot on rock, holding trident in left hand, monogram eye in outer field, (SNG ANS 1201), close to very fine

Details
Macedon, Demetrios Polioketes, (306-285BC), AR Tetradrachm, 16.9 g., (294-288BC), Amphipolis, diademed head right, with horn, rev. Poseidon, standing left, right foot on rock, holding trident in left hand, monogram eye in outer field, (SNG ANS 1201), close to very fine