Helena, AE3, 329-330, Alexandria, Officina 2 FL HELENA-AVGVSTA Pearl-diademed, mantled bust right, wearing double-string pearl necklace, Magnia Urbica fashion hair style, diadem with single-row of pearls on each band and resembling double-pearl string SECVRITAS-REIPVBLICE Securitas standing facing, head left, branch downward in right hand, raising robe with l ...