Constantius II, AE4 of Rome.

CONSTANT-IVS PF AVG, laurel and rosette diademed, draped and 
cuirassed bust right. 
VICTORIAE DD AVGGQ NN, two Victories standing facing each other, each holding a wreath. 
Mint mark: R wreath S.

RIC VIII Rome 87; Sear 18055.
Rare (R2).

Contributed by Jon LaFalce, June 2015.