Watch List notes:

SELEUKID EMPIRE. Demetrios I Soter. 162-150 BC. AR Tetradrachm (27.5mm, 16.73 g, 12h). Ekbatana mint(?). Jugate heads right of Demetrios, wearing diadem, and Laodike, wearing stephanos, within fillet border / BAΣIΛEΩ[Σ] ΔHMHTPIOY [Σ]ΩTP[OΣ], Tyche, fully clothed, holding scepter in extended left hand and cradling cornucopia in right arm, seated left on throne supported by tritoness right; B to inner right. Unpublished, but cf. HGC 9, 799 for type. Struck with worn dies, minor flan flaws on obverse, light scrape and a little off center on reverse. VF. Unique.