Roman Imperial
Crispus, as Caesar, (316-326 AD). Nicomedia
AE Follis (18.4mm, 2.96g)
Obv: FL IVL CRIS-PVS NOB C Laureate, draped and cuirassed bust of Crispus to left.
Rev: PROVIDEN-TIAE CAESS / MNB Two-turreted camp gate; no doors; above, star.
RIC 122.