Nobel Prize–winning, Italian-born engineer (1874–1937) who developed ‘wireless telegraphy,’ better known to the world at large as radio. Large and bold ink signature, “G. Marconi, 24th March 1905,” on an off-white 6.5 x 5 album page. In fine condition, with mild overall toning, a bit heavier at edges, and a bit of trivial soiling. RRAuction COA.
