Nobel Prize–winning, Italian-born engineer (1874–1937) whose development of “wireless telegraphy,” better known to the world at large as radio, would come to exert a profound and immeasurable influence not only on communications, but on modern civilization itself. Bold ink signature, “G. Marconi, 28th Feb. 1906,” on a light blue 3.75 x 5 album page. A hint of subtle toning to edges, otherwise very fine condition. RRAuction COA.