Crispus Caesar (317-326). AE Follis, Siscia mint. D/ IVL CRISPVS NOB CAES. Laureate and cuirassed bust left, holding spear and shield. R/ VIRTVS EXERCIT. Standard inscribed VOT/X; captive standing on ground on either side; in field, S-F/HL; in exergue, Γ SIS star in crescent. RIC 130. AE. g. 2.90 mm. 19.50 R. Rare and superb. Deep green brown toning, with silvering highlights. EF.