Watch List notes:

Seleukid Empire, Seleukos II Kallinikos AR Tetradrachm. Ephesos(?), 246-226 BC. Diademed head to right / Apollo Delphios standing left, testing arrow and leaning on tall tripod; ΒΑΣΙΛΕΩΣ to right, ΣΕΛΕΥΚΟΥ to left. SC 672.2; HGC 9, 303j. 16.37g, 30mm, 12h.

Very Fine. Very Rare.

From the inventory of a UK dealer.