RARE vintage 1970s eyeglasses eyeglass frames

RARE vintage late 1960s early 70s eyeglasses eyeglass frames floating rimless style EUC, gently preloved metal hardware, nose pads I believe its the original case totally Penny Lane bohemian style currently have prescription lenses, believe an optician can switch them out? definitely one of a kind and hard to find. measurements are approximate 60s, retro, 70s, 1970s, metal, OOAK, rare, hippy, hippie, boho, gypsy, dark academia, festival