Constantine I, AE3, 318-319, Rome, Officina 1
CONS_TANT_INVS AVG
Laureate, cuirassed bust left, spear pointing forward and shield in front
VIRTV_S AVGG
Campgate with seven rows, three turrets, no doors, top and bottom rows empty blocks
P | R across fields
RP in exergue
RIC VII, 168