French aviation pioneer, who designed, built, and flew the first practical dirigible balloons. In doing so he became the first person to demonstrate that routine, controlled flight was possible Ink signature, “A. Santos Dumont,” on a light green 5.5 x 3.5 postcard, dated 1911, with several clipped photos affixed to card, as well as written text under photos. In fine condition, with some light edge toning, and several collector’s pencil notations. R&R COA.