Watch List notes:

Crispus, Caesar (Costantinus I, 306-337), Nummus, Lugdunum, AD 324-325; AE (g 3,03; mm 18; h 12); FL IVL CRISPVS NOB CAES, laureate, draped and cuirassed bust l., Rv. PROVIDEN - TIAE CAESS, camp-gate; in ex. PLG. RIC 228.
Good very fine.