Valentinian II. A.D. 375-392. AE half centenionalis (13.1 mm, 1.16 g, 12 h). Mint uncertain , struck ca. A.D. 388-392. D N VALENTINIANVS P F AVG, diademed, draped and cuirassed bust of Valeninian Jr. right / [SAL]VS REI-PVBLICAE, Victory walking left, head right, carrying trophy on shoulder and dragging captive; in left field, Tau-Rho Christogram // exergue off-flan. Cf. SRCV (4th ed, 1988) 4167; . Rough VF, Dark brown/green patina.
Ex Leo Hamburger 1890's.
This coin comes from a large group of Roman Provincial, Byzantine and Vandalic coins which were part of Leopold Hamburger's inventory. More information on Mr. Hamburger can be found here:https://www.coinbooks.org/v20/esylum_v20n42a19.html