Vintage Gunne Sax by Jessica Mcclintock Wedding dress

Preowned Vintage Gunne Sax by Jessica McClintock white wedding dress. Puffed sleeves, lace with sequins, 3 layers of fabric on skirt, zipper closure in back. Flaws: faint brown small dot in back, encircled in red seen in photo, hem is a little bit brown seen in photo as well No material tag. No size tag. In my opinion this is an XS. Refer to photos with tape measures