Kingdom of Macedon, Alexander III 'the Great' AR Tetradrachm. Struck under 324/3 BC. 17 g. 26,5 mm. Head of Herakles to right, wearing lion skin headdress / Zeus Aëtophoros seated to left, holding sceptre; ΑΛΕΞΑΝΔΡ[ΟΥ] to right, ΣI below throne.