Valens AE follis, Constantinople. 22mm.

DN VALENS PF AVG, pearl-diademed, draped and cuirassed bust left.
GLORI-A ROMA-NORVM, campgate with two turrets, six layers,
no doors. 
S above between turrets.
Mintmark COMTM.

RIC IX Constantinople 40 var (bust type and mintmark).

CNG auction 63, Lot: 1550, sold for $1,200 to Zach of 
beastcoins.com