Constantius II, AE4, Constantinople.

FL IVL CONSTANTIVS NOB C, laureate, cuirassed bust right.
GLOR-IA EXERC-ITVS, two soldiers holding spears and shields 
with two standards between them.
Mintmark: dot CONS gamma dot.
RIC VII Constantinople 82 var (bust type)

From Dane's collection, Sept. 2012.