Seleukid Kingdom. Seleukos I Nikator AR Tetradrachm (25mm, 16.93g). Seleukeia on the Tigris, circa 300-296/5 BC. In the types of Alexander III of Macedon. Head of Herakles right, wearing lion skin headdress / Zeus Aëtophoros seated left holding sceptre, BAΣIΛEΩΣ below, ΣEΛEYKOY to right; monogram in left field, ΔI below throne. SC 117c; Newell, ESM 4.