Alexander III, AR tetradrachm. Babylon mint, posthumous issue, struck under Seleukos I Nikator. ca 311-300 BC. 29 mm, 17.06 g

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

MTR monogram in wreath in left field, H beneath the chair.. 

Price 3704; Müller 714; Houghton SC 82.6. 

With permission of Leu Numismatik AG auction 8, Lot 96, Oct. 2021.