Crispus, AE follis, London. 317-326 AD. 20mm, 3.10 gr. FL IVL CRISPVS NOB CAES, laureate, cuirassed bust right. PRINCIPIA IVVENTVTIS, Crispus standing right in military dress, holding spear and shield. Crescent in left field. Mintmark PLN. RIC VII London 134; Sear 16695. With permission of muenzen-ritter.de, July 2013.