Vintage Safety Glasses Rare Bouton U-FIT

2 pairs of rare Canadian vintage safety spectacles (glasses) with clear lenses. They meet ANSI Z87.1 standards. OSHA approved for workplace safety. On the solid bendable frames "UL Glass OSHA Req & Z87 BOUTON U-FIT USA U 48" and a small B on each lenses. On the pair with metal bendable frame arms reads "BOUTON Z87 C 3/4 48 U B" with a B on each of the lenses only 1 box that reads "protective spectacles eye pro made by SAFE-TEX MANUFACTURING TORONTO, ONTARIO. few scratches on each lightly used.