Constantine I The Great (307/10-337) AE follis (Bronze, 19mm, 3.10g) Nicomedia, 317-320.

Constantine I The Great (307/10-337) AE follis (Bronze, 19mm, 3.10g) Nicomedia, 317-320.
Obv: IMP CONSTANTINVS AVG, laureate bust left wearing consular robes, holding globe, scepter, and mappa
Rev: IOVI CONSERVATORI, Jupiter standing left, holding Victory on a globe and scepter; palm left; Δ / SMN in exergue.
Ref: RIC 23.

Year: 317-320
Diameter: 19 mm
Weight: 3.1 g
Material: Bronze