Handsewn housecoat buy with pockets and split sleeves

Intricately handmade housecoat/robe
Double layered - outside is floral print, inside is a muted plaid
Large pockets on both sides
Sleeves have open detailing on inside armpit and from elbow down (see photos)

Few discolored spots (see photo for detail)

Original origin of fabric unsure, slightly musty buy - has been washed and hung outside

Dimensions:
18” across on shoulders
Sleeves (armpit to end of sleeve) 25.5”, lower arm open sleeve detail 12” long
Shoulder to hem: 47”