Crispus. Caesar, A.D. 317-326. Æ follis (18mm, 2.8 g). Sirmium, A.D. 324/5. FL IVL CRISPVS NOB CAES, laureate head of Crispus right / ALAMANNI-A DEVICTA, Victory running right, holding trophy over shoulder and palm; at feet to right, bound captive seated right, looking back; ·SIRM·.