Helena (mother of Constantine the Great). Augusta, A.D. 324-330. Æ follis. 2.95 gm. 19 mm. Treveri (Trier) mint. Struck A.D. 327-328. Her diademed and draped bust right, with necklace; FL HELENA [AVG]VSTA / Securitas standing left, holding branch; SECURITAS REIPVBLICE around, STRE in exergue. RIC VII 508. Good Very Fine; attractive brown patina; flan chip at 3. Bold well struck portrait. Scarce.