Vintage 70s geometric bright color gown

Amazing bold colors halter top zips & snaps up to waist 3 hook&eye closure at neck. Pic does not show it well but the back is somewhat open when on. Fully lined pleated very swooshy skirt top layer is chiffon lining is thicker nude & some type of poly. Tiny mark at bottom shown. L 55 w14 b 14. Fits like a S..Empire waist. Excellent VTG condition!