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. Attractive gilt-edged and color-embossed menu for a “Luncheon to the Official Mission of the Kingdom of Italy” at the Manufacturers’ Club of Philadelphia, Jun 21, 1917, 4.75 x 7.25, signed in pencil at upper right, “G. Marconi.” Mild scattered soiling and a few faint surface marks, otherwise fine condition. R&R COA.