Constantine I (307/10-337), AE follis (Bronze, 18,8 mm, 2,92 g), Nicomedia, 328/9.

Constantine I (307/10-337), AE follis (Bronze, 18,8 mm, 2,92 g), Nicomedia, 328/9.
Obv: CONSTAN - TINVS AVG, diademed head of Constatine right.
Rev: PROVIDEN - TIAE AVGG, camp gate with two turrets and door, star above, SNNB in exergue.
Ref: RIC 153.