Seleukos I Nikator. Second satrapy and kingship, 312-281 BC. AR Tetradrachm (27mm, 17.10 g. 
In the name and types of Alexander III of Macedon. Babylon I mint. Struck circa 300-294/3 BC. 

Head of Herakles right, wearing lionskin headdress.
BASILEWS SELEYKOY, Zeus seated left, holding eagle and sceptre; Macedonian helmet above RHL monogram in left field, AI monogram beneath throne. 

SC 87.3a; Price 3781 (Seleukeia on the Tigris mint); HGC 9, 10f. 

With permission of cngcoins.com, auction 120, Lot 412, May 2022.