Vintage Gunne Sax prairie dress

Vintage 80s made in usa Gunne Sax prairie pastel pink floral dress Size tagged 11 but measurements are: Pit to pit: 18" Shoulder to bottom: 50" Waist: 17" Sleeve: 6.5" Please note the condition of the dress through the photos provided. There is yellowing stains along with brown staining. The pits as well has yellowing. This could all come off through a thorough wash. No holes or tears! Overall still in very nice condition! (also apologies for the imperfect cutout, I had a bad placement area when taking the photo and I wanted to remove the background!)