Watch List notes:

Greek coins

Alexander I Balas, 150 – 145. Tetradrachm, Seleucia Pieria circa 147-146, AR 17.01 g. Laureate head of Zeus with long curls and full beard r. Rev. ΒΑΣΙΛΕΩΣ ΑΛΕΞΑΝΔΡΟΥ Thunderbolt; above, ςΞΡ and monogram; below, two monograms; all within laurel wreath with ties to r. Gulbenkian 1044. SC 1798. A. Houghton, "A Tetradrachm of Seleucia Pieria at the Getty Museum," in J. Paul Getty Museum Journal 10 (1982), A2/P4 and fig. F.
Very rare and in a superb state of preservation. A bold portrait struck
on a very large flan, light iridescent tone and extremely fine
Ex Roma Numismatics sale XIII, 2017, 443.