Alexander the Great, AR tetradrachm. Babylon mint.
Struck by Seleukos I Nikator, ca 311-300 BC. 

Head of Herakles right, in lionskin headdress.
BASILEWS ALEXANDROY, Zeus Aetophoros seated left
holding eagle and sceptre. MI in left field; MTP 
monogram in wreath beneath throne. 

Price 3751.

With permission of Roland Müller. Added July 2013.