Valentinian II AE2. 

Obv: DN VALENTINIANVS PF AVG, Helmeted bust right with pearl diadem, draped 
  and cuirassed, holding spear and shield in front 
Rev: GLORIA RO-MANORVM, Emperor standing left, head right, on ship, raising 
  right hand, Victory seated at helm. 

Mintmark: SMHA. RIC IX Heraclea 11b, rated scarce.

Contributed by Dane for George Clegg (biggyg2), August, 2006.