Watch List notes:

SELEUKID EMPIRE. Seleukos I Nikator. 312-281 BC. AR Tetradrachm (25.5mm, 17.01 g, 7h). Seleukeia on the Tigris II mint. Struck circa 296/5-281 BC. Laureate head of Zeus right / Athena, brandishing spear, shield on left arm, in quadriga of horned elephants right; monogram below, Θ in exergue. SC 130.30 var. (control mark in exergue) and 130.42 var. (monogram to right); HGC 9, 18a. Lightly toned, slightly off center, patch of find patina and cleaning marks on reverse. Good VF. Rare variety.