Watch List notes:

SELEUKID EMPIRE. Seleukos I Nikator. 312-281 BC. AR Obol (9.5mm, 0.65 g, 6h). Uncertain mint. Laureate head of Zeus right / Athena, brandishing spear, shield on left arm, in biga of elephants right; [control marks in fields]. HGC 9, 58. VF, rough surfaces.