Constantine I AE Follis. 318-319 AD.

Obv: CONST-ANTINVS AVG, laureate, helmeted and cuirassed bust 
right
Rev: VIRTV-S AVGG, campgate, three turrets, six layers with 
base, closed, panelled doors, with dot in each section; P-R
 across fields, RP in ex.

RIC VII Rome 176, rated R4.

Contributed by Dane for Eric Relph, June 2009