Licinius, AE follis, Rome. 20 mm, 2.93 g.

IMP LICINIVS AVG, helmeted, cuirassed bust right.
VIRTVS AVGG, campgate with four turrets, seven layers, open doors.

P-R across fields.
Mintmark RP.

Unlisted reverse for Licinius I

RIC VII 192 var (Licinius II); NotInRIC 7rom-190_lic_p; 
 
ebay sale May 2017.