Constantius II. Trier. 337-341 AD. 

CONSTANTI-VS PF AVG, rosette-diademed, draped and cuirassed bust right 
GLORI-A EXER-CITVS, two soldiers holding spears and shields with 
one standard between them with M on banner. 

Mintmark TRP. 

RIC VIII Trier 105. Rare. 

With permission of Roma Numismatics, May 2010