Constantine I, the Great. A.D. 307-337. Æ follis. 19 mm. 3.0 gm. Lugdunum (Lyon) mint. Struck A.D. 324-325. Obv: CONSTANTINVS AVG, laureate head right. Rev: PROVIDENTIAE AVGG, Turreted camp gate, no doors, star above; PLG in exergue. RIC VII 225. FDC.