Watch List notes:

Seleukid Kingdom. Seleukos I Nikator. 312-281 B.C. Æ (18 mm, 6.88 g, 12 h). Antioch on the Orontes, 280s B.C. Winged head of Medusa right / ΒΑΣΙΛΕΩΣ ΣΕΛΕΥΚΟΥ, Bull butting right; in exergue, Ξ. SC 22.1; HGC 9, 107c.. Attractive earthen-green patina. Very fine.