Vintage David Dart Collection linen sleeveless dress size P unworn

Beautiful lightweight linen dress is sleeveless and has 3 buttons at the neckline. Maxi length, this dress appears to be unworn. 100% linen, hand wash, made in China. Front left breast pocket is still stitched closed from the factory. Loose & breezy, like new condition. No wear shows at the hem. My mannequin is a size 4 for reference. Size P, please see measurements for fit. 2 side slits 9" shoulder to shoulder: 13" armpit to armpit: 18" bust: 36" hip: 40" shoulder to hem: 51" flare: 44" plus slits