Roman Imperial
Helena Augusta (325-329, mother of Constantine), Follis ca. 325, Siscia mint
Obverse: diademed and draped bust right
FL HELENA AVGVSTA
Reverse: Securitas standing left, lowering branch with left hand, raising robe with right hand, ESIS double-crescent in exerque
SECVRITAS REIPVBLICE
Diameter 18 mm, weight 2.77 g
