Watch List notes:

SELEUKID EMPIRE. Antiochos I Soter. 281-261 BC. AR Tetradrachm (26.5mm, 9h). 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 379.6a; HGC 9, 128g. In NGC encapsulation 6061197-026, graded Ch F.