Crispus AE Follis. AE follis, trier.

FL IVL CRISPVS NOB CAES, laureate, cuirassed bust right.
PRINCIPI IVVENTVTIS, Crispus standing right, chlamys spread over both shoulders, holding globe and transverse spear.
F-T across fields. 
Mintmark BTR. 

RIC VII Trier, 171.

Contributed by Roma Numismatics, March, 2014