Constantius II. Siscia 337-361 AD.

FL IVL CONSTANTIVS NOB C, laureate, cuirassed bust right
GLOR-IA EXERC-ITVS, two soldiers holding spears and shields 
with one standard between them with o on banner.

Mintmark: gamma SIS star
RIC VII Siscia 263, rated R5 

Contributed by George Clegg (biggyg2), Jan, 2010