Constantine II, as Caesar, 316-337. Follis (bronze, 3.38 g, 18 mm), Nicomedia. CONSTANTINVS IVN NOB C Laureate, draped and cuirassed bust of Constantine II to right. Rev. PROVIDENTIAE CAESS Campgate with no doors and two turrets; star above, SMNΔ in exergue. RIC 157. Very fine.