Watch List notes:

Helena. Augusta, AD 324-328/30. Æ Follis (17mm, 2.79 g, 6h). Treveri (Trier) mint, 2nd officina. Struck under Constantine I, AD 324-325. Diademed and mantled bust right, wearing necklace / Securitas standing left, holding olive branch; STR. RIC VII 458; LRBC 25. Near EF, brown patina.