Crispus. Caesar, A.D. 317-326. AE follis (18mm, 3.4 g). Thessalonica mint, struck A.D. 324. FL IVL CRISPVS NOB CAES, laureate, draped and cuirassed bust of Crispus left / CAESARVM NOSTRORVM, around VOT X within wreath; TSΔVI in exergue.