SAINT LAURENT PARIS BLACK MIDI LENGTH SLIP DRESS

Saint Laurent Paris black midi length slip dress Waist Side to side approx 15 1/2" Bust armpit to armpit approx 16 1/2' Length from shoulder approx 49" Scoop neck Thin cotton I think ..no fabric tag Flares from waist Lace trim on hem This may be vintage..I bought as dress at a resale shop.. but may be a Saint Laurent slip for full dress. No sz tag...please see measurements sz S Very good condition