Vintage Zenith Tube Radio Model T724 Working. Marked model T724 on bottom. The item "Vintage Zenith Tube Radio Model T724 Working" is in sale since Monday, December 2, 2019. This item is in the category "Collectibles\Radio, Phonograph, TV, Phone\Radios\Tube Radios\1950-59".The seller is "comicc24" and is located in Island Park, New York. This item can be shipped worldwide.