Desirable fountain pen signature, "Regia Nave Carlo Alberto, Spezia 11 Settembre 1902, Guglielmo Marconi,” on an off-white 4.5 x 7.25 album page, which is signed below by Italian astronomer and seismologist Guido Alfani (1876-1940), and on the reverse by German writer Gabriele Reuter (1859-1941). In fine condition. The Carlo Alberto was the Italian Navy battleship from where, in 1902, Marconi conducted wireless experiments, successfully transmitting radio communications across the mountain chains of Europe.
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