CRISPUS (Caesar, 316-326). Follis. (18mm, 2.7 g) Nicomedia. Obv: D N FL IVL CRISPVS NOB CAES. Laureate, draped and cuirassed bust right. Rev: IOVI CONSERVATORI / SMNΓ. Jupiter standing left, holding crowning Victory on globe and sceptre; to left, eagle standing left, head right, with wreath in beak; to right, X/IIΓ above bound captive seated right.