Kingdom of Macedon, Alexander III 'the Great' AR Tetradrachm. Amphipolis, circa 325-322 BC. Head of Herakles right, wearing lion skin; horseshoe shaped countermark / AΛΕΞΑΝΔΡΟΥ, Zeus Aëtophoros seated left; bukranion in left field. Price 93. 17.11g, 25mm, 2h.
Extremely Fine. Well centred.
Countermarks on lifetime issues are highly unusual; they are more often on posthumous issues of Asia Minor.
From a Swiss Private Collection.