Vintage Scarlet maxi dress size 13/14 or S/M

Dead stock NWT Measurements lay flat approx Pit 19.5” Length 50” Maxi sleeveless dress Has some vest embroidery details infront The vest it’s attached can’t remove Has small mark/spot infront neckline see photo Size 13/14 fits S/M for modern Acetate, rayon Zipper closure in the back