Vintage 1960s Francis Brewster cotton Dress

Beautiful Vibrant Vintage 60s Francis Brewster dress Sleeveless Pale blue turquoise with blue, green and white print and white lace knitted lace around collar and bottom of dress There is one tiny stain on the dress. It’s tiny and very light. See last picture. No size or fabric tag. It seems to be a thick soft cotton. Waist ~15.35” Length ~ 40” On me, it’s below the knee (I’m 5’7) Excellent condition. No signs of wear anywhere on the fabric, seams or stitching.