Seleukos I Nikator AR Alexandrine Tetradrachm. Susa, ca 300-281 BC. 27 mm, 16.87 g. Struck by Antiochos I.

Head of Herakles right, wearing lionskin headdress.
BASILEWS SELEYKOY, Zeus seated left, holding eagle and sceptre.
-KR monogram in left field, FAI monogram beneath throne. 

SC 399.7; HGC 125c; Newell ESM 351; Houghton Coll. 1039. 

With permission of Roma Numismatics auction XIV, Lot 302,  Sept 2017
Estimate: £750