SELEUKID KINGS of SYRIA. Antiochos I Soter. 281-261 BC. AR Tetradrachm (28mm, 16.94 g, 1h). Seleukeia on the Tigris mint. Diademed head right / Apollo Delphios seated left on omphalos; monograms to outer left and right. SC 379.6a; HGC 9, 128g. VF, some porosity, marks and scratches.