Own a piece of history with this antique Stori-viewer stereoscope featuring 18 gelatin-silver prints of Yellowstone national park from the 1930s and 1950's Howdy Doody Show . The bakelite material adds a vintage feel to this original unit of sale, perfect for collectors of all types. The colorful images showcase the beauty of the United States during the 1925-1949 time period, providing a glimpse into the past for any viewer.