Alexander III AR Drachm, Lampsakos (?)

Kingdom of Macedon. Alexander III 'the Great' (336-323 BC). AR Drachm (17-18 mm, 4.22 g), struck under Antigonos I Monophthalmos, c. 310-301 BC, Lampsakos (?).
Obv. Head of Herakles to right, wearing lion skin headdress.
Rev. Zeus Aëtophoros seated to left, holding sceptre; AΛΕΞΑΝΔΡΟΥ to right, KI in left field, monogram below throne.
Price 1398; SNG Cop. 990.

Good very fine.