Helena. Augusta, A.D. 324-328/30. Æ follis. 3.89 gm. 19 mm. Treveri (Trier) mint, 2nd officina. Struck under Constantine I, A.D. 326. Her diademed and mantled bust right, wearing pearl necklace; FL HELENA AVGVSTA / Securitas standing left, holding branch and raising pallium; SECVRITAS REIPVBLICE around, STR(pellet-in-crescent) in exergue. RIC VII 481. Good Very Fine; smooth green patina; handsome coin with a particularly appealing portrait and an impressive detailed Roman hairdo.