KINGS OF BOSPOROS. Polemo I, circa 14/3-10/9 BC. AE (Bronze, 21 mm, 12.40 g, 1 h). Draped bust of Perseus to right, wearing winged helmet; in field to right, countermark: head of an eagle within round incuse. Rev. Monogram of Polemo. MacDonald 229. Very rare. Very fine.