Constantius II, AE Follis, 324-325 AD. 

Obv: FL IVL CONSTANTIVS NOB C, laureate, draped, cuirassed bust left
Rev: PROVIDEN-TIAE CAESS, campgate, 2 turrets, 6 layers, 
star above, no doors. 

Mintmark PTR in ex. 

RIC VII Trier 456. Scarce

With permission of Roma Numismatics, October, 2009

_trier_RIC_vII_456