Valentinian I AD 364-375 AR Siliqua Rome
Obv: D N VALENTINIANVS P F AVG - Diademed bust right, draped and 
cuirassed 
Rev: VOT V Within wreath. 

Mintmark: C dot delta 
Constantinople mint: AD 364-367 = RIC IX, 13a (s) Scarce, 

Contributed by Online store of the Forum Ancient Coins, September, 2012