Antique Child's Wool Flannel Petticoat Slip, Victorian 1800s , Vintage Girl's Clothing 21 inch waist

ERA- This item is from the 1800s
MEASUREMENTS - 21-1/2 inches at waist, 11 inches 
LABEL - none
FABRIC - wool flannel with cotton waistband

Cotton waistband with button holes, pleated wool flannel skirt. The slip buttons onto another undergarment piece - probably a top - even at the side opening.

CONDITION - Very good condition. 
Light yellowing and browning from age. 1/8 inch hole.
Looks like it once has a trim stitched around it that was removed, leaving behind old stitch marks.