Roman Imperial
Helena, Augusta (328-329 AD) Siscia
AE Follis (18.6m, 2.7g)
Obv: FL HELENA AVGVSTA, diademed and draped bust right.
Rev: SECVRITAS REIPVBLICE, Securitas standing facing, head left, holding olive branch in her right hand, fold of drapery on left; ΓSIS (double crescent) in exergue.
RIC 218; LRBC 741.