Watch List notes:

Constantine II. As Caesar, A.D. 317-337. Æ follis (19 mm, 3.20 g, 5 h). Nicomedia. CONSTANTINVS IVN NOB C, laureate, draped and cuirassed bust of Constantine II right / PROVIDENTIAE CAES, camp-gate with two turrets; above, star; SMNA·. RIC 157. Dark green patina, light deposits, minor porosity. Nice very fine.