Crispus (Caesar, 317-326). AE Reduced Follis. Cyzicus mint. Struck 317-320 AD. D/ D N IVL CRISPVS NOB CAES. Laureate, draped bust left, holding globe and mappa. R/ IOVI CONSERVATORI CAESS. Jupiter standing left, holding victory; wreathto right; A to left; in exergue, SMK. RIC 10. AE. g. 2.74 mm. 19.00 Fully silvered. Area of roughness on obverse. About EF.