Vintage Joan Walters black and white jumpsuit

Fabulous vintage find. Polyester and rayon, black jumpsuit with matching belt, white lapel and cuffs, gold hardware. Some slight discoloration on cuffs (see pictures). Likely dates to 70s or 80s. Size 14 on the tag. lay flat measurements: 16.5 in waist 58 in shoulder to hem 24 in pit to pit