Crispus (Caesar, 316-326). AE Follis (20mm, 2.83g, 12h), struck under Constantine I, Arelate, Q = 4th officina, 317. CRISPVS NOB CAES Laureate and draped bust of Crispus to right. R/ PRINCIPIA IVVENTVTIS / R-S/QARL Mars standing right, helmeted, holding spear in right hand and carrying shield on left arm. Cf. RIC 129 (bust). This bust variety not listed in RIC. VF
RIC on records this type with two bust varieties: Crispus ahown either laureate, draped and cuirassed or laureate and cuirassed only.