Vintage 1970's Full Length Prairie Dress.  It is light blue,  It has gorgeous lace and ribbon accents.  It appears to be handmade, and done very well, the details are fantastic.It does not have a tag.   It has buttons on  the front, long sleeves with lace and ribbon, It has lace near the bottom, and at the collar. Zips down the back. Measures pit to pit 17", waist 14" and shoulder to hem  58"