Alexander III. AR Tetradrachm Arados mint. 25 mm, 17.16 g. Struck 324-320 BC. 

Head of Herakles right, wearing lionskin headdress.
BASILEWS ALEXANDROY, Zeus seated left, right leg drawn back, holding eagle and sceptre.

Caduceus in left field, AR monogram beneath chair.

Price 3332; Mueller 1370; Duyrat 607. 

With permission of Leu Numismatik auction 20, Lot 607, July 2022