Watch List notes:

Helena. Augusta, AD 324-328/30. AE Follis (18mm, 3.16 g, 6h). Nicomedia mint, 3rd officina. Struck AD 328-329. Diademed and draped bust right / Securitas standing left, holding branch; SMNΔ. RIC VII 159; LRBC 1082. Brown patina. VF.