Parece un AE4 de Valentiniano II:
Obv: DN VALENTINIANVS PF AVG, pearl diademed, draped, cuirassed bust right
Rev: SALVS REI-PVBLICAE, Victory advancing right, dragging captive (leaning)
and carrying trophy on shoulder.
Mintmark: SMNB,
¿RIC IX Nicomedia 45c?
Un saludo
"Qvod tibi fieri non vis, alteri non feceris"