What a fabulous pair of clip on sun glasses. In their box with tag and manual. The sticker has E316-P 46 eye. Label @ 1940''s Sun glass Institute Inc. The brochure reads in part: for driving, sports, flying. For all outdoor activities. AO Calobar sun glasses give you visual protection and comfort. Frames provide maximum range of vision. From sunrise to sunset, Scientific Protection, AO Calobar lenses do more than reduce bright and annoying glare. They are chemically compounded to absorb harmful invisible rays of the sun...ultraviolet and infrared. American Optical Co is the world''s oldest and largest manufacturer of ophthalmic materials. Calobar sun glasses reflect the outstanding quality of craftsmanship and materials which distinguish all AO products. They fit all the readers I have to try them on. The measure from 4"- up to 5" L The green lens measures 1 7/8" L X 1 3/4" H. Gold filled frame I believe since the manual indicates in comes in zylonite or gold filled. Excellent cond
