Crispus, Caesar. 317-326 AD. AE Follis (2.59g, 18mm). Cyzicus mint. Struck 317-20. Obv.: D N FL IVL CRISPVS NOB CAES, laureate and draped bust left, holding globe and mappa. Rev.: IOVI CONSER-VATORI CAESS; (wreath)-A, Jupiter standing facing, head left, holding Victory on globe and scepter; SMK in exergue. RIC 10. Traces of silvering. VF.