Vintage 70's/80s light navy slip dress/night gown with sheer side paneling

Absolutely special find. Tage Size Large in absolutely perfect condition minus some dicolouration along the waist seam on the back ONLY (see last picture). The side panels are sheer for extra glamour/sexiness. The 2 ribbons on the side are NOT drawstring so the waist size cannot be adjusted; purely decorative. Colour is a lighter navy. Made in Canada. 100% nylon. Unlined. SEE VIDEO! Measurements: Armpit to armpit across: 46cm Waist seam: 40.5cm Total length measured from back lower collar: 1m16.5cm Total length including straps: 1m38cm Collar to waist seam from front in the middle: 16cm Collar to waist seam from back in the middle: 20.5 Skirt length from waist seam: 96cm Je parle français :)