Constantius II, AE follis, Rome.

FL IVL CONSTANTIVS NOB C, laureate, draped, cuirassed bust right.
GLOR-IA EXERC-ITVS, two soldiers holding spears and shields 
with two standards between them, o on banners.
Mintmark: RFT.

RIC VII Rome 329, rated C1.

From Dane's collection, Sept. 2012.