Seleukos I Nikator AR Tetradrachm. Ekbatana mint. Struck in the name of Alexander III, ca 311-295 BC. 17.05 g.

Head of Herakles right, wearing lionskin headdress.
ALEXANDROY, Zeus seated left; in left field, P>-sideways-A monogram above horizonatal anchor above forepart of horse grazing left; ΣΩ beneath throne. 

Price 3941; SC 202.11d

With permission of cngcoins.com, Mail Bid Sale 72, Lot 927, June 2006.