Constantius II. 

Obv: FL VAL CONSTANTIVS NOB C, laureate, draped, cuirassed bust left 
Rev: PROVIDEN-TIAE CAESS, campgate, 2 turrets, 9 layers, 
star above, no doors.
Mintmark: R wreath Q. 

RIC VII Rome 290, rated C2


With permission of Roma Numismatics, April, 2011