Gallienus, AE of Prusias ad Hypium. 10.48 g. 

AV P LI GAL[LHNOS] CEB, laureate, draped, cuirassed bust right.
PROYSIEWN PROS YPIW, city gate with arched doorway, tower to 
left and right each with arched doorway, H below.

RecGen 78; SNG von Aulock 915; Price/Trell, p. 224, Fig. 505

Courtesy of Helios Auction 5, June 2011