HELENA, Mother of Constantine I. Augusta, 324-328/30 AD. Æ Constantinople mint. Posthumous issue, struck 337-341 AD. FL IVL HELENAE AVG, diademed and draped bust right / PAX PVBLICA•, Pax standing left, holding branch and sceptre; CONSE. RIC VIII 34; LRBC 1047. Good EF
(1.47)gm