The U.S. Postal Stamps Plate Blocks Set of 7 is a collection of mint never hinged stamps originating from the United States between 1951-1960. These stamps feature historical figures and come with original gum intact. The set is multi-colored and ungraded, making it a valuable addition to any stamp collector's collection. Scott Plate Blocks # 1040,1945,1046,1047,1049,1050,1051