Watch List notes:

Helena. Augusta, AD 324-328/30. Æ Follis (21mm, 2.86 g, 6h). Cyzicus mint, 2nd officina. Struck AD 325-326. Diademed and draped bust right / Securitas standing left, holding branch; SMKB•. RIC VII 39; LRBC 1176. EF, brown patina, rough surfaces.