Antique 1900s White Sheer Lace Rococo Art Deco Slip Boudoir Dress XS

Antique 1900s' White Sheer Lace Rococo Art Deco Slip Boudoir Dress' XS No size tag. Seems like it would best fit an XS. Pulls over with no zipper. (See measurements) bust: 30" waist: 26" hips: 36" length: 55" (shoulder to hem).