Constans. 346-348 AD. Trier. AE16. 

CONSTANS-PF AVG, pearl and rosette-diademed, 
draped, cuirassed bust right

GLORI-A EXER-CITVS, two soldiers holding spears and 
shields with one standard between them with M on banners. 

Mintmark TRP crescent. 

RIC VIII Trier 111

With permission of Roma Numismatics, Feb, 2010