This original postcard is from the 1933 Century Of Progress (Chicago World's Fair) which was held in Chicago. It is in excellent condition and the front features the "Owens-Illinois Glass Block Building". The reverse side features a postcard format, which is unused and a paragraph that says "This is the first Full-sized structure built of glass block recently perfected by the Owens-Illinois Glass Company, Toledo Ohio." and measures approx. 5 1/2" x 3 1/2".
