SELEUKID KINGS. Antiochos I Soter, 281-261 BC. Tetradrachm (Silver, 29 mm, 16.53 g, 12 h), Seleukeia on the Tigris. Diademed head of Antiochos I to right. Rev. ΒΑΣΙΛΕΩΣ / ΑΝΤΙΟΧΟΥ Apollo seated left on omphalos, holding arrow in his right hand and resting his left on his bow; in outer left and right fields, monograms. HGC 9, 128g. SC 379.3c. Fine.