This pair retains its original factory finish and original brown CR-39 lenses with no visible signs of wear. Professionally inspected by Second Chance Eyewear. LENSES Original Serge Kirchhofer CR-39 lenses Original brown tint Original factory installation Excellent optical clarity 100% UV protection This pair retains what appears to be its original factory lenses—an increasingly uncommon feature among surviving examples, adding significantly to its desirability for collectors.