Crispus, Caesar, 316-326. Follis (Bronze, 18 mm, 2.71 g, 7 h), Lugdunum, 320. D N CRISPO NOB CAES Helmeted and cuirassed bust of Crispus to right. Rev. VIRTVS EXERCIT / A - S / PLG Vexillum inscribed VOT / XX between two captives. RIC 109. Rare with this unusual obverse legend. Very fine.