Vintage high-end custom dress set in VGUC size M(estimated)

Vintage high-end custom dress set in VGUC size M(estimated) Dress and blouse set skirt has tiny pleats blouse has beautiful lace detailing, back zipper overall great condition, few minor marks on blouse and marks in underarm area of the dress(not visible with blouse on) I have hard time determining the age - it was part of 70-80s luxury wardrobe I purchase, but it feels like it belongs to post WW2 era. dress pit to pit 18" lenght 65" blouse shoulder to shoulder 15" pit to pit 19" lenght middle back 21"