Asta Bidspirit | Helena, Augusta. (AD. 324 -

Helena, Augusta. (AD. 324 - 329). Æ Follis. Thessalonica. (2.54 g, 20 mm). FL HELENA AVGVSTA. Diademed and mantled bust right, wearing necklace. / SECVRITAS REI PVBLICAE / SM TS A. Empress standing left, veiled, holding branch and raising robe. RIC 159.