Watch List notes:

ELIS, Olympia. Late 3rd century-191 BC. Æ Dichalkon (17.5mm, 3.78 g, 9h). Laureate head of Apollo right / Zeus Aëtophoros standing right, preparing to cast thunderbolt; HP monogram to lower left, Σ to lower right. BCD Olympia 294; HGC 5, 531. Fine, dark green surfaces.

From the J. Cohen Collection. Ex BCD Collection (not in prior BCD sales), with his ticket.