Offered for sale is a beautiful sheet of 20 stamps, issued by the United States in 1996, honoring communication pioneers with his invention. It depicts Eadweard Muybridge with a photograph, Ottmar Mergenthaler with a linotype machine, Frederic E. Ives with a halftone photogravure image and William Dickson with motion picture images. It is Scott catalog #3061-4, and is mint never hinged. NOTE: Photos for all US sheets are stock. If you are looking for a particular position, please let us know, as we have multiple sheets for many of the items.