I think it's Constans, not Constantine.
Obverse: Draped and cuirassed bust right, CONSTANS PFAVG
Reverse: two soldiers flanking one standard, "I" on the standard, GLORI AEXER CITVS, (not sure about the mint mark)
based on Tesorillo's excellent site:
http://www.tesorillo.com/aes/030/030i.htm
Edited by ThisIsFun
06/29/2013 6:23 pm