Watch List notes:

SELEUKID EMPIRE. Antiochos I Soter. 281-261 BC. AR Tetradrachm (28.5mm, 16.94 g, 12h). Seleukeia on the Tigris mint. Diademed head right / Apollo, testing arrow and placing hand on grounded bow, seated left on omphalos; monograms to outer left and outer right. SC 378.3; HGC 9, 128g. Toned, numerous marks. VF.

From the Sigmund Collection.