Helena, AE3, 325-326, Cyzicus, Officina 3 FL HELENA-AVGVSTA Pearl-diademed, mantled bust right, wearing necklace, hair waved in rows, loop braid at base of head, long plait carried up back of head and tucked under diadem jewel SECVRITAS-REIPVBLICE Securitas standing left, branch downward in right hand, raising robe with left SMKG . in exergue 18mm x 1 ...