Here an Follis of Constantine Antioch mint.
If I am correctly it is this one below. Maybe an slightly different varity
CONSTANTINE I THE GREAT (307-337). Follis. Antioch.
Obv: CONSTANTINVS AVG.
Diademed head right.
Rev: PROVIDENTIAE AVGG / SMANTE.
Campgate with two turrets; star above.
RIC 81.

