Vintage cinched waist mock neck sweater

Vintage maroon cinched waist mock neck sweater from Lady Jacqueline by Excelsior Knitting Mills Back zipper No size label but best fits women's small to medium Flat lay measurements: Pit to pit - 18" Waist (unstretched) - 14.5" Length from shoulder - 26" Sleeve inseam - 17.5" No care label so I can't verify the material Good pre-owned condition with some pilling