Watch List notes:

SELEUKID EMPIRE. Antiochos I Soter. 281-261 BC. AR Tetradrachm (27.5mm, 16.66 g, 1h). Sardes mint. Diademed head right / Apollo, testing arrow and resting hand on bow, seated left on omphalos; AΣ AΘ in exergue. SC 325b; HGC 9, 128b. VF, lightly toned, some roughness.