VTG 70s Prairie Maxi Dress Size S Black Polka Dot Embroidered Gunne Sax Style

Vintage 1970's black polka dot print maxi dress with floral embroidered bodice. Semi sheer sleeves, skirt is fully lined. Tie waist. Potentially hemmed? Hem and lining is finished in blue thread. In gently preowned condition, wear noted to crochet lace and embroidery. As a vintage piece, may show signs of normal wear, smells, repairs and use consistent with age. No size tag, see measurements for best fit. No material tag, feels like cotton or cotton blend. Google lens shows brand as Roberta of California. Measurements are approximate, lying flat. 17" Bust pit to pit 14" Across the waist 51" Length shoulder to hem tags: prairie, gunne sax, jessicas gunnies, jessica mcclintock, boho, bohowestern, whimsical, whimsygoth, fairygoth, fairycore, 1970s