This listing is for authentic Ray-Ban B&L Bausch & Lomb Gold Frame G-31 Top Gradient Mirror Mineral Glass Lens Vintage Aviator Sunglasses w/ Case 58-14 ULTRA RARE 1960’s. Sunglasses are in fair/good pre-owned condition, Frame ha some wear and both lenses have some light surface scratches and inner left lens has flee bite at screw clamp base (see photos). Size: 58-14. Ray-Ban hard case in poor condition case included in listing. Please see pictures to make your complete condition assessment. These Ray-Ban B&L Bausch & Lomb ultra-rare aviator sunglasses are designed with special G-31 top gradient lens to be used at high elevations and sensitive eyes for activates including mountain climbing, skiing, aviation and other snow sports. Lenses are NOT etched with BL as they are pre-BL etching era from 1960's. These rare TGM “for driving lenses” lenses are darker on top and gradually lighten towards the bottom, with a mirror outer coating. Designed to cut glare and enhance contrast. The frame is made of metal with paddle temples.
