Alexander III AR Tetradrachm. Ektabana mint. Struck under Seleukos I, Nikator, 311–295 BC. 26 mm., 17.09 g. 

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

Horned horse's head left in left field, DI beneath chair. 

Price 3914; Newell "Eastern Seleukid Mints" 457; SC 202.

With permission of Spink auction 12026, Lot 353, Sept. 2012.