Crispus Caesar (317-326). AE Follis, Siscia mint. Obv. IVL CRISPVS NOB CAES. Laureate and cuirassed bust left, holding spear and shield. Rev. 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 VII 130. AE. 2.98 g. 20.00 mm. R. Rare and superb. Lovey dark green patina. About EF.