Rare follis, R4 in the Roman Imperial Coinage catalogue.
Specimen with a lot of silvering.
Roman Imperial
Crispus (317-326), Follis 320, Siscia mint
Obverse: laureate, cuirassed bust left, holding spear and shield
IVL CRISPVS NOB CAES
Reverse: Standard with VOT X on banner, two captives sitting left and right at its base, S-F over HL across fields, ASIS✱ in exerque
VIRTVS EXERCIT
Diameter 19 mm, weight 2.95 g