Vintage 70's handmade psychedelic geometric patterned maxi dress

Psychedelic 1970's yellow/orange/brown/pink/black geometric patterned sleeveless maxi dress with lace detail around the neck and framing the slits on each side. The dress is a fitted stretchy poly with a back zipper closure and seems to be handmade as the zipper was put in backwards. Measurements Shoulder to Shoulder: 14.5" Chest: 36" Waist: 30" Length: 56" Zipper: 20.5" Slits: 18.5"