Watch List notes:

Seleukid Kingdom. Diodotos Tryphon. 142-138 B.C. AE (18.6 mm, 5.56 g, 1 h). Antioch on the Orontes mint. Diademed head right / ΒΑΣΙΛΕΩΣ ΤΡΥΦΟΝΟΣ ΑΥΤΟΚΡΑΤΟΡΟΣ, ppiked Macedonian helmet adorned with goat horn; palm branch to inner left. SC 2034.2d; HGC 9, 1061. aEF.

From the D. Thomas Collection.