Constantine I AE Follis.
Obv: CONSTAN-TINVS AVG, laureate head right
Rev: PROVIDEN-TIAE AVGG, campgate, 2 turrets, 6 layers, star above, no doors
Mintmark: PTR crescent.
RIC VII Trier 461, rated R4
Contributed by Dane for George Clegg (biggyg2), October 2007