WWI & Early Aviation Pioneers. A bridge from the dawn of military aviation through the birth of the jet age, uniting WWI aviators and early pioneers with the inventors who made jet propulsion possible. Signers include: Richard E. Byrd, Thomas Sopwith, Capt. Edward V. Rickenbacker (letter content referencing President Eisenhower contextually in the text), Lt. Douglas Campbell (America's first ace), Clarence Chamberlin, Sir Frank Whittle, and Hans von Ohain.
Estimated Value $75 - 300
Aviation
