Vintage original NOS CESCO Safety Eyeglasses. Made in USA. Paper tag is marked 1970. Beautiful high quality heavy plastic frame in a semi transparent greenish gray color. Substantial riveted 5-barrel hinges. Safety glass lenses with etched 'CE' logo. Frames are marked '4-3/4 6'. Measure 140.22 mm from temple to temple. 141mm long and about 46.74 tall. In excellent condition. Never used. Would be great to have your prescription put in. These vintage frames blow away modern eyeglasses in terms of quality.  A great looking pair of eyeglasses. Shipped promptly. Questions welcome.