Prusias II, king of Bithynia. 182-149 BC. AE17, 3.13 g. 

Head of Prusias right, wearing a winged diadem.
BASILEWS PROYSIOY, Herakles standing left, holding club and lionskin, PY monogram in lower right field.

RecGen 25, monogram 3 corr. 

Sold by Bertolami Fine Arts - ACR Auctions - E-Auction 92, Lot 505, Oct. 2020