Solidus, 4.45g., Trier, DN GRATIANVS PF AVG, helmeted and cuirassed bust left, holding spear and shield decorated with horseman, rev. VOTA PVBLICA, two Emperors, nimbate, wearing imperial mantles, seated facing on throne, each holding mappa and sceptre, TR·OB in exergue (RIC 18e; Foss 5; C.62), scratch on jaw, good very fine, rare