Alexander III. AR drachm. 280-275 BC, Priene mint.

Head of Herakles right, wearing lionskin headdress.
ALEXANDROY, Zeus seated left, holding eagle and sceptre. 

Trident head over PRI over IP in left field, nothing under throne.

Price 2232; Mueller 1029; Meydancikkale 1460; Armenak 529; Berlin 18252350 (this coin).

Image courtesy of the Münzkabinett Berlin.