Vintage watercolor halter dress, open back

Beautiful watercolor print vintage sleeveless halter dress. Has button at back of neck and elasticized under bust. Some stitches on the frontslit have loosened a bit, see photos. Otherwise flawless! No size listed. Measurements (taken with garment lying flat): Bust 15" Under bust elasticized 12-15" Waist 19" Hips 21" All my items are gently loved. I do my best to note any flaws. From a household with a cat and a dog. 🙀