Vintage Victoria's Secret Gold Label Satin and Lace Teddy. Sheer cream lace cups and leg hem, with an off white satin body. Snaps at bottom like a body suit. I believe the straps have been shortened (see photo) but it would be easy to remove those stitches to make them the original length.

Approximate measurements (flat lay): See pictures for measurements
Pit to pit: 17.5"
Pit to top of hip): 9"
Waist: 16.75"
Hip: 17"
Top center of bust to snaps at bottom: 21.75"