Bronze AE2, 25mm, 5.99gm, issued AD 383. Cyzicus mint.
Obv: DN GRATIANVS PF AVG, Helmeted, draped and cuirassed bust facing right.
Rev: GLORIA ROMANORVM (SMKB in ex.), Emperor in military attire standing in galley, Victory at helm.
References: Sear 19999, RIC 14a.