Seleukid Kingdom. Seleukos I Nikator. 312-281 B.C. AR tetradrachm (26.1 mm, 15.63 g, 5 h). Seleukeia on the Tigris mint, struck ca. 300 B.C. Laureate head of Zeus right / ΒΑΣΙΛΕΩΣ ΣΕΛΕΥΚΟΥ, Athena, holding spear and shield, driving a quadriga of elephants right, monogram behind Athena; anchor above, I below. SC 130.25; SNG Spaer -. Toned VF, porous.