Seleucid Kingdom. Antiochus II. 261-246 BC. Tetradrachm, 17.00g (6h). Uncertain mint in MesopotamiaObv: Diademed head of king right. Thin dotted border Rx: ΒΑΣΙΛΕΩΣ ΑΝΤΙΟΧΟΥ Apollo seated left on omphalos, holding arrow, left hand resting on bow. Monograms in outer right field and in exergue. SC 579.1. Houghton Coll. I 1310. This extremely rare issue was struck by an uncertain mint in northern Mesopotamia or Media. Excellent portrait. About EF