Watch List notes:

Commemorative Series. AD 330-354. Æ (16mm, 1.37 g, 12h). Rome mint, 1st officina. Struck AD 348. Helmeted and cuirassed bust of Roma right / Emperor standing facing, head right, holding reversed spear and shield set on ground, P R across field. RIC VIII 104. VF, green patina. Rare.