Watch List notes:

Helena. Augusta, A.D. 324-328/30. Æ follis (19.0 mm, 2.46 g, 11 h). Thessalonica mint, A.D. 318-319. Rare. HELENA NF, diademed and mantled bust right, wearing necklace / Star within wreath. RIC 51; LRBC 824. aVF/EF.