This is a pair of authentic vintage Norton 787 eyeglass frames in a classic translucent smoke gray finish. Crafted in the USA, these frames feature a sturdy full-rim rectangular design typical of mid-century industrial and safety eyewear. The frames are marked with size 48-20 on the front and 6 on the temples. These are high-quality vintage frames ready to be fitted with your custom prescription or sunglass lenses by an optician. Excellent choice for a retro, geek-chic, or industrial aesthetic.