100%silk lightweight shirt/jacket

2 side slits at hem. Boxy shape. Can be worn oversized. Button down. Collar. Raw silk texture. Made by Simon Chang. Labelled size 16. Approx 30in length, 16in shoulder seam to seam, 24in sleeve length, 23in pit to pit. Labelled size 16(check measurements) but can be worn oversized. Model is 5’9, US 4/6. Small stain at back hem(see last pic)