Constantius II AE3. 330-341 AD.  

CONSTANTIVS P F AVG, rosette diademed, draped & cuirassed bust right
GLORIA EXERCITVS, two soldiers standing to either side of 
one standard with chi-rho on banner
dot epsilon SIS dot in ex. 

Siscia RIC VIII 101

Contributed by Ars-Aeterna / David Suter, Switzerland, September, 2009