Macedon, King Demetrios Poliorketes (294-288 BC), Silver Tetradrachm, 17.2 gms., mint of Pella, c. 289/8 BC, diademed and horned head of Demetrios right, rev. Poseidon standing left, holding trident, right foot on rock (Newell 143, same obverse die; SNG Cop. 1179var.), fine, toned