CRISPUS, Caesar. 317-326 AD. Æ Follis (21mm, 3.52 gm). Thessalonica mint. Struck 317-318 AD. CRISPVS NOBILISSIMVS CAES, laureate, draped and cuirassed bust right / PRINCIPA IVVENTVTIS, Crispus standing right, holding spear and shield; •TS•E•. RIC VII 20. VF, dark brown patina, weak reverse strike. Rare.