Alexander III, AR tetradrachm, Miletos. Posthumous issue, ca 190-165 BC. 36 mm, 16.56 g. 

Head of Herakles right, wearing lionskin headdress.
ALEXANDROY, Zeus seated left, right leg drawn back, holding eagle and sceptre. (The chair has no crossbar.)

Lion standing left, head turned back above MI monogram in left field, AR and LRG monograms upwards in right field. 

Not in Price with these monograms. Elsen 273, 35.

With permission of Jean Elsen et ses fils, auction 273, lot 35 (2015).