SELEUKID EMPIRE. Antiochos I Soter. 281-261 BC. AR Tetradrachm (29.5mm, 15.46 g, 5h). Seleukeia on the Tigris mint. Diademed head right / Apollo, testing arrow and resting hand on grounded bow, seated left on omphalos; monograms to outer left and outer right. SC 379.5b; HGC 9, 128g. Roughness, scattered marks. Good Fine.