Kings of Macedon. Alexander III the Great (336-323 BC). AR Tetradrachm (24mm, 17.07g). Posthumous issue of Babylon, under Seleucus I Nicator, circa 311-300 BC. Head of Heracles right, wearing lion-skin headdress. / Zeus seated left, holding eagle and scepter; monogram in wreath in left field, H below throne. SC 82.6. Price 3704. HGC 9, 10f.