SELEUCID EMPIRE Seleucus I Nikator AR Tetradrachm. Seleukeia on the Tigris I, circa 300-281 BC. Head of Herakles right, wearing lion skin headdress / Zeus seated left, holding sceptre; monogram in left field, WB below throne. 17.11 gm, 27 mm. ABOUT EXTREMELY FINE & RARE.