Valentinian II, Constantinople, 388-392 AD. 

DN VALENTINIANVS PF AVG, pearl diademed, draped, cuirassed bust 
right, wreath from the hand of God above.
SALVS REI-PVBLICAE, Victory advancing left, holding trophy on 
shoulder and dragging captive beheind her. 

Chi-Rho in left field. Mintmark C(O)N(S)A

RIC IX Constantinople 86a var (unlisted obv. type)

Contributed by George Clegg, ebay biggyg2, May 2012