1930s keyhole bias cut slip dress with lace appliqué

Gorgeous 1930s empire waist pink rayon satin slip dress with a keyhole detail and lace appliqué. Labeled a size 40. Fits like a modern M/L but can be tied to accommodate smaller sizes. Shown on a size S mannequin. In very good vintage condition, just missing a small piece of lace on the front as shown (see last photo). 

Measurements 

Bust: Up to 42”

Empire waist: Up to 34”

Hip: Up to 46”

Length: 55”