SELEUKID EMPIRE. Antiochos I Soter. 281-261 BC. AR Tetradrachm (31mm, 16.67 g, 7h). 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 right. SC 379.3a; HGC 9, 128g. Lightly toned, a little roughness, scattered marks. VF.