Antique 1890's-1900's Victorian Edwardian White Cotton Under Dress XS

This garment is in excellent vintage condition. THere are a few light stains on the garment, please see photos. Otherwise the condition is impeccable. No worn areas, and the fabric is still sturdy.
Arm Holes are quite small.
All measurements taken lying flat across the front of the garment.
Please compare to a similar garment you own to ensure fit.
Pit to Pit:22”
Waist:21”
Hip:28”
Length from Shoulder:40”