Rare Helena's follis R4 in RIC.
Roman Imperial
Fausta (doughter of Maximianus, wife of Constantine I the Great, 307-326), Follis 325-326, Nicomedia mint
Obverse: draped bust to right
FLAV MAX FAVSTA AVG
Reverse: Spes standing facing, head to left, cradling two children in arms, MNE in exergue
SPES REIPVBLICAE
Diameter 19 mm, weight 3.17 g