Constantius II as Caesar (324-337). AE Follis, Nicomedia mint, 326-327 AD. D/ FL IVL CONSTANTIVS NOB C. Laureate, draped and cuirassed bust left. R/ PROVIDENTIAE CAES •. Camp gate with two turrets; above, star; in exergue, NB. RIC 147. AE. g. 2.99 mm. 18.50 RR. Very rare and superb. Brown patina. EF.