Alexander III AR Tetradrachm. Mesembria mint. 250-175 BC. 32.15mm, 16.67 g. 

Head of Herakles right, wearing lionskin headdress.
BASILEWS ALEXANDROY, Zeus seated left, holding eagle and 
sceptre. 
Corinthian helmet in left field, DIOSK in exergue.

Price 1003; Propontis hoard 30. 

With permission of TimeLine Auctions 
(www.timelineauctions.com), July, 2017