This listing is for a vintage paper advertisement. This is a 1938 ad for a Owens-Illinois Insulux Glass Block! The size of the ad is approximately 2.5x12.5inches. The caption for this ad is 'Make yours a year-around home with light... The modern way' The ad is in good overall condition, with some light wear. This vintage ad would look great framed and displayed! Add it to your collection today!