Seleukid Kingdom. Seleukos I Nikator. 312-281 B.C. AR tetradrachm (27 mm, 15.42 g, 11 h). Seleukeia on the Tigris, ca. 296/5-281 B.C. Laureate head of Zeus right / Athena, brandishing spear and holding forth shield on arm, in quadriga of elephants right; anchor above. SC 130; HGC 9, 18a. Eroded surfaces. Very fine.