Crispus (Caesar, 316-326) AE Follis (Bronze, 3.26g, 19mm) Alexandria. Obv: FL IVL CRISPVS NOB CAES, Laureate, draped and cuirassed bust left. Rev: PROVIDENTIAE CAESS / SMALA, Camp gate, with two turrets and open doorway; star above. Ref: RIC 35.