Seleukid Kingdom. Antiochos I Soter. 281-261 B.C. AR tetradrachm (28.4 mm, 15.08 g, 5 h). Seleucia on the Tigris mint. Diademed head of Antiochus I right / BAΣIΛEΩΣ ANTIOXOY, Apollo seated left on omphalos, holding arrow and bow; AP monogram to outer left, uncertain monogram to outer right. Cf. SC 379. aVF, harshly cleaned, porous.