SELEUKID KINGS of SYRIA. Seleukos I Nikator. 312-281 BC. AR Tetradrachm 17.05 g. Babylon I mint. Struck in the name of Alexander III of Macedon, circa 300-294/3 BC.

Head of Herakles right, wearing lionskin headdress.
BASILEWS ALEXANDROY, Zeus seated left, holding eagle and sceptre; Attic helmet in left field, TKRK monogram beneath throne. 

SC 87.6; Price 3782. 

With permission of cngcoins.com, Mail Bid Sale 72, Lot 886, June 2006.