Alexander III, AR tetradrachm. Lampsakos mint. Posthumous issue, struck ca 280-275 BC, 24 mm, 16.88 g. 

Head of Herakles right, wearing lionskin headdress.
ALEXANDROY, Zeus seated left, right leg drawn back, holding eagle and sceptre. 
KI in left field, ME monogram beneath throne.

Price 1405.

With permission of Savoca Numismatik auction 20, Lot 40, Jan 2018.