Constantine I the Great (307-337). AE follis (Bronze 3,42g 19mm) Antioch, 3rd officina, 326-327.

Constantine I the Great (307-337). AE follis (Bronze 3,42g 19mm) Antioch, 3rd officina, 326-327.
Obv: CONSTAN-TINVS AVG, laureate head of Constantine I right
Rev: PROVIDEN-TIAE AVGG, campgate with two turrets, no doors, nine layers of bricks; star above, pellet in archway, SMANTΓ in exergue.
Ref: RIC VII 71.