Rare follis, R3 in the Roman Imperial Coinage catalogue.
Roman Imperial
Crispus (317-326), Follis 319-320, Siscia mint
Obverse: laureate draped and cuirassed bust right
IVL CRISPVS NOB C
Reverse: two Victories holding shield inscribed VOT PR over altar decorated with an S, ESIS* in exerque
VICT LAETAE PRINC PERP
Diameter 20 mm, weight 3.04 g