Alexander III, silver tetradrachm. Babylon mint, struck by Seleukos I Nikator, 317-311 BC. 25.41 mm. 17.16 g 

Head of Herakles right, wearing lionskin headdress.
ALEXANDROY to right, BASILEWS in exergue, Zeus seated left, 
holding eagle and sceptre; MYP monogram in wreath in left field, 
IAI monogram beneath seat.

Price 3719; Waggoner, Babylon no. 465g; cf Sear 6724.

With permission of Numismatica Ars Classica - Auction 52, Lot 770, Oct 2009