Helena. Augusta, AD 324-328/30. Æ Follis (18mm, 2.81 g, 12h). Thessalonica mint. Struck circa AD 318-319. Draped bust right / Eight-rayed star within laurel wreath with large central jewel at top. RIC VII 50; LRBC 820. Good VF, green patina, faint scratches on cheek.