Beautiful Vintage Handmade lined dress from the 1960’s!

I do not know the size or material, so have included measurements below, and photos of the inside of the dress. It was my Mom’s and she wore it once. Measurements of dress laying flat: Chest 15” Waist 15” Hip 18” Scoop neckline to bottom of dress 31” Shoulder to bottom of dress 33” Local pickup in the west end of Toronto