Seleukid Kingdom. Seleukos III Keraunos. 226-223 B.C. AR tetradrachm (33 mm, 16.91 g, 12 h). Antioch on the Orontes. Diademed head of Seleukos III right / ΒΑΣΙΛΕΩΣ ΣΕΛΕΥΚΟΥ, Apollo seated left on omphalos, testing arrow and resting hand on grounded bow; to left, monogram; to right, monogram. SC 921.1; HGC 9, 414c. Well centered on a nice broad flan. Extremely fine.