Watch List notes:

SELEUKID KINGS. Seleukos II Kallinikos, 246-226 BC. Tetradrachm (Silver, 28 mm, 17.23 g, 12 h), Antioch on the Orontes mint, circa 244-226. Diademed head of Seleukos II to right. Rev. ΒΑΣΙΛΕΩΣ ΣΕ-ΛΕΥΚΟΥ Apollo standing left, holding arrow in right hand and leaning left arm on tripod behind him; to left, monogram of ΔΗ; to right, monogram of ΜΡ. HGC 9, 303p. SC 689.1a. Struck in high relief; light toning. About extremely fine.

From an American collection.