Four items signed by the German rocket pioneers: a color satin-finish 5 x 7 photo of Oberth, signed in black felt tip, "H. Oberth"; a fountain pen signature, "H. Oberth, 19.3.1969," on an off-white 4 x 5.75 card bearing an affixed portrait; a 7.25 x 5.5 copy of the title page and frontispiece of Oberth's book Wege Zur Raumschiffahrt, signed in black felt tip, "H. Oberth"; and a ballpoint signature, "Rudolf Nebel," on an off-white 5.75 x 4 card bearing an affixed portrait. In fine condition.
