this coin is not in RIC for workshop B
Constantius II
A.D. 327
18x19mm 3.6gm
FL IVL CONSTANTIVS NOB C; Laureate, draped and cuirassed bust left.
PROVIDEN-TIAE CAESS; camp gate with two turrets and star between them, in left field B.
in ex. CONS
RIC VII Constantinople 21