Prusias I Cholos. King of Bithynia, AE29. 230-182 BC. 10.38 g. 

Laureate head of Apollo left, countermark of head left or right.
BASILEWS PROYSIOY, Athena-Nike, helmeted and winged, 
standing left, holding wreath and resting left hand on 
a shield at her side.
KΡA monogram (K and Ρ retrograde) in left field. 

RecGen 16, type 7.

With permission of Nomos AG - Auction 18, Lot 135, May 2019.