Watch List notes:

Helena. Augusta, AD 324-328/30. Æ Follis (20mm, 2.90 g, 12h). Cyzicus mint, 4th officina. Struck AD 326-327. Diademed and draped bust right / Securitas standing left, holding olive branch; •SMKΓ•. RIC VII 49; LRBC 1184. EF, silvering.