Alexander III AR Tetradrachm. Mesembria mint. 250-175 BC. 29.31mm, 16.56 g. Head of Herakles right, wearing lionskin headdress. Zeus seated left, holding eagle and sceptre. Corinthian helmet in left field, OM monogram beneath throne. Price 1019; Propontis hoard 37. With permission of TimeLine Auctions (www.timelineauctions.com), July, 2017