You are bidding on used, stunning looking pair of 1960's PRE-BL ETCHING ERA 58[]14mm MEDIUM SIZE VINTAGE B&L RAY BAN GOLD PLATED GRAY TONE CHANGEABLES SELF DARKENING AVIATOR SUNGLASSES w/CASE. PHOTOCHROMATIC SELF DARKENING CHANGEABLES LENSES ARE IN SUPER CRYSTAL CLEAR CONDITION. WHEN EXPOSED TO UV SUNLIGHT, LENSES DARKEN TO  DARK GRAY TONE AND RETURN BACK TO CLEAR TONE AS SHOWN IN THE PICTURES. COMES WITH A NEWER RAY BAN CASE. MEASURES 5 1/4" ACROSS THE HINGES.