Licinius I, AE follis, Rome mint. 23mm, AD 317. 3.00 g.

IMP LICINIVS PF AVG, laureate, cuirassed bust right.
IOVI CONSERVATORI, Jupiter standing left, holding thunderbolt and sceptre. 

A in left field. 
Mintmark RP.

RIC VII Rome 85; Sear -. 
Exceptionally rare, R5.

Contributed by Carpediem Numismatics, April 2017.