Italian physicist and inventor (1874-1937) who devoted his life to experiments in wireless communication, and was awarded the Nobel Prize in 1909. Vintage matte-finish 3.5 x 5.5 postcard photo of the youthful Marconi in a formal pose, neatly signed in fountain pen, "G. Marconi." In fine condition, with a small chip to the lower right edge. Encapsulated in a PSA/DNA authentication holder.
