Valentinian I, AE3, August 24, 367-November 17, 375, Second Period, Siscia, Officina 3D N VALENTINI_ANVS P F AVGPearl-diademed, draped, cuirassed bust rightSECVRITAS-REIPVBLICAEVictory advancing left, wreath in right hand, palm in left R / hR (ligate) | F across fields GSISCZ . in exergue (Z retrograde) 18mm x 19mm, 2.54g