Constantius II AE Follis, 329-330 AD.

Obv: FL VAL CONSTANTIVS NOB C, laureate, draped & cuirassed 
bust left
Rev: PROVIDEN-TIAE CAESS, campgate, 2 turrets, 7 layers, star 
above, no doors, RFQ in ex.

RIC VII Rome 324, rated R4.

With permission of Roma Numismatics, April, 2011