SELEUKID KINGS. Antiochos I Soter, 281-261 BC. Tetradrachm (Silver, 27 mm, 15.87 g, 11 h), Sardes, circa 274-271. Diademed head of Seleukos I to right, with bull's horn above ear. Rev. Apollo seated left on omphalos, holding bow with his right hand and resting his left on omphalos; in inner left field, monogram; in exergue, Ξ. HGC 9, 130. SC 323.2b. Rare. Lightly toned. Slightly rough on the reverse, otherwise, very fine.