Watch List notes:

Crispus, Caesar (Costantinus I, 306-337), Nummus, Heraclea, AD 318-320; AE (g 3,15; mm 19; h 11); DN FL IVL CRISPVS NOB CAES, laureate, draped bust l., holding globe, sceptre and mappa, Rv. PROVIDEN - TIAE CAESS, camp-gate with three turrets; to r., °/°; in ex. SMHΓ. RIC 35.
Very rare, traces of silvering, good extremely fine.