Didius Julianus (AD 193). Prusa ad Olympum, Bithynia. 
AE 23.6 mm, 7.26 g.

AVT K M DIDIOC IOVLIANOC AVG, laureate, cuirassed bust right.
PR-OV CAEWN to left and right and beneath hexastyle
temple. 

Rec Gen 67; BMC 15 (this coin); Sear SGI 2107.

Image courtesy of the British Museum