Slip by Henson Kickernick
Size 36 but someone has sewn in the middle of the bust to make it a bit smaller, check measurements: Measures 17" across bust following extra room in bust. So 34" bust - mannequin is 32" bust so this was a bit loose. Measures 15. 5" across under bust. 30" waist. 36" hips. 37" long. Mannequin is 5'8" .
Flaws: some red stitching at hem lace and small discoloration directly above this repair. Small roughed up areas (see closeup, it looks like material was rubbed a bit). Bust has been taken in at center.

This item is sold from an excellent, highly rated vintage boutique.