Alexander III, AR tetradrachm, posthumous issue struck under Demetrios I Poliorketes. Tyre mint. 306-283 BC. 25mm, 16.98 g. Struck circa 301-286 BC. 

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

IIDTI monogram in Omega in left field, L above chair strut, YLD monogram beneath chair.

Price 3534A; Meydancikkale 2191; Hersh, Tyrus 17. 

With permission of cngcoins.com, auction 224, Lot 109, Dec 2009