Watch List notes:

Helena. Augusta, AD 324-328/30. Æ Follis (19mm, 3.07 g, 12h). Constantinople mint, 2nd officina. Struck AD 326-327. Diademed and mantled bust right / Securitas standing left, holding branch and raising robe; B-//CONS. RIC VII 11; LRBC 975. Good VF, black patina under a layer of earthen deposits.