Commemorative Series. AD 330-354. Æ Follis (15mm, 1.56 g, 12h). Rome mint. Struck under Constantius II, circa AD 348. Helmeted and draped bust of Roma right / Emperor standing right, wearing military attire, holding spear and shield set on ground to right; P R across field. RIC VIII 104; LRBC 611; Vagi 3049. Black desert patina. VF. Rare.