Vintage 70s semi-sheer dark purple dress

Here is a very interesting vintage 1970s dress with a built-in spaghetti strap camisole on the inside. The camisole is sewn in and the bodice is draped on top. elastic waistband, made of a semi sheer polyester fabric. Pictures do not accurately reflect the dark purple of the fabric. No tags, but fits like a modern size large. In excellent condition, shipped from a smoke free home. Flat measurements Pit to pit- up to 19” Waist - up to 18”