Rate 1930s Dusty Rose, boas cut, silk nightgown with keyhole front.
The inner tag looks to be Italian.
This garment is in good condition for age but has a few condition issues.
There is a small tear at the armhole, some light discoloration on the lace, an 1/8 inch hole on the back, and a few very light small spots on the lower skirt portion. Please see photos.
Bust 34-36 inches
Waist 28 inches
( can be made smaller with drawstring)
Hips up to 41 inches
Length top of shoulder to hem 56 inches