Kings of Macedon, AR tetradrachm, Alexander III ("the Great"), 336-323 BC, early posthumous issue, Pella mint, 325-315 BC, encapsulated NGC MS, strike 5/5, surface 3/5. Price 232; Mueller 3; SNG Cop 711. 17.12 grams. Head of Heracles right, wearing lion skin headdress / Zeus seated left, holding eagle and scepter; thunderbolt in left field. (Estimate: $500 - 750)