Watch List notes:

Crispus, Caesar (Costantinus I, 306-337), Nummus, Ticinum, AD 322-325; AE (g 2,73; mm 18; h 7); CRISPVS - NOB CAES, laureate and cuirassed bust r., Rv. DOMINOR NOSTROR CAESS, VOT / X in laurel-wreath; below, (crescent) / PT. RIC 170.
Rare. Green patina, about extremely fine.