Scarce vintage semi-glossy 9.5 x 13 portrait of the radio and telegraphy pioneer in a handsome seated pose, boldly signed and inscribed in ink, "To Camilla Paulucci, Guglielmo Marconi, 21-8-1914.” Partially mounted to a same-size card and in fine condition, with trimmed edges, and two very tiny tears to the top edge. Rare in this size and format.
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