Watch List notes:

KINGS OF BITHYNIA. Prusias II Cynegos, 182-149 BC. (Bronze, 19 mm, 5.67 g, 1 h). Wreathed head of Dionysos to right. Rev. BAΣIΛEΩΣ ΠΡΟYΣIOY The centaur Cheiron standing to right, playing kithara; monogram below raised foreleg. HGC 7, 629. RG 26. SNG Copenhagen 641. Dark brown patina. Scattered porosity, otherwise, very fine.

From the Vineyard Collection, ex Cederlind FPL 119, June 2000, 68.