Valentinian I, AD 364-375. AE 18 mm. 3.1 gm. Rome Mint. Obv: DN VALENTINIANVS PF AVG, Pearl-diademed, draped and cuirassed bust right. Rev: SECVRITAS REIPVBLICAE Victory advancing left, holding wreath and palm frond; RSECVNDA in exergue. RIC IX: 17a Rare.