Watch List notes:

SELEUKID EMPIRE. Antiochos I Soter. 281-261 BC. AR Tetradrachm (26mm, 16.87 g, 5h). Uncertain mint. Diademed head right / Apollo, testing bow, seated left on omphalos; monograms to outer left, outer right, and in exergue. SC –; cf. HGC 9, 128. VF, toned, minor roughness.