Watch List notes:

Seleukid Empire, Seleukos II Kallinikos AR Tetradrachm. Uncertain mint, 265-225 BC. Diademed head right / BAΣIΛEΩΣ ΣEΛEYKOY, Apollo Delphios, nude, standing left, testing arrow in his right hand, leaning on tripod with left elbow to right; monogram to inner left, monogram to outer right. SC -, but for left monogram cf. 654.5, C728.1, and for right cf. 689.4-5. 16.90g, 28mm,12h.

Good Very Fine. Extremely Rare; unknown to Houghton and Lorber.