Alexander III. AR Tetradrachm. Mesembria mint. 100-65 BC. 31 mm, 16.01 g. 

Head of Herakles right, wearing lionskin headdress.
BASILEWS ALEXANDROY, Zeus seated left, holding eagle and sceptre. 
QES over Corinthian helmet in left field. 
BAK beneath chair.

Price 1119 var (positions of QES and BAK reversed), Not in 
Price or any of the large hoards consulted. Lanz 97, 209. 

With permission of Numismatik Lanz, auction 97.