Full length half slip M

This beautiful full length slip does have a label in it but I am unable to read most of it, although I did post a photo. Tag says Medium. I believe I was a size 6 when I bought it..Might have been size 4. Please refer to measurements in photos. I have shown the elastic waist unstretched and stretched but not to the limit. 36 inches long with 11 inch slits on both sides. Solid black. Smooth like satin although I cannot verify fabric content. Very pretty hem design. This was purchased in 1970. Yes, I remember the exact date 🥰 All of my items come freshly laundered or dry cleaned from my smoke-free home.