Continental Greece. Alexander III 'the Great' (336-323 BC). AR Drachm, Thrace, Byzantion mint. Countermarked. Obv. Head of Herakles right, wearing lion skin; c/m: prow of galley right, ΠY above, within circular incuse. Rev. Zeus Aëtophoros enthroned left, holding eagle and sceptre. 3.72 g. 19 mm. About VF.