I just upgraded my example of this type
Constantine I
A.D. 312- 313
22mm 3.6g
CONSTANTINVS P F AVG; laureate & cuirassed bust right.
ROMAE AETER AVGG; Roma, helmeted, seated left, holding branch in right hand and globe in left; star in left field.
In ex. PLN
RIC VI London 269; LMCC 7.12.002
This coin commemorates the defeat of Maxentius and recovery of Rome and was issued along with several other types including the ROMAE RESTITVTAE type which has the same reverse