Helena. Augusta, AD 324-328/30. Æ Follis (19mm, 2.97 g, 6h). Heraclea mint, 2nd officina. Struck under Constantine I, AD 325-326. Diademed and draped bust right, wearing necklace / Securitas standing left, holding olive branch downward; SMHB. RIC VII 79; LRBC 873. EF, silvered.