Crispus, Caesar, 316-326. Follis (Bronze, 19 mm, 3.32 g, 6 h), Rome, 317. CRISPVS NOBIL CAES Laureate and cuirassed bust of Crispus to right. Rev. PRINCIPIA IV-VENTVTIS / A / R Q Mars, in military attire, advancing right, holding spear in his right hand and shield in his left. RIC 87. Extremely rare, apparently the second known example. Somewhat smoothed and repatinated, otherwise, very fine.