Vintage Chinese dress

Purchased in china town San Francisco late 80’s. In excellent condition. There is no size listed on it. Will fit a 34 bust. About a 30 inch waist. From back of neck to bottom is 54 inches. Side slits on each side. Each side slit is 23 inches. Snaps and hook and eye closures across the top. Side zipper is 13 1/2 inches long. Lots of Seams and darts. Very fitted.