Image rights: wildwinds.com

     Kingdom of Syria, Demetrios II, 1st reign 145-140 BC, AR tetradrachm, (15.52g) 

Diademed head right. 
BASILEWS DHMHTRIOY FILADELFOY NIKATOROY, Tyche seated left on throne supported by winged monster, holding baton and cornucopia, monogram in exergue. 

Type Sear 7053.