Aviator Chales Kingsford Smith signed "21st Sept 1935" just before disappearance

Description

Aviator Chales Kingsford Smth signed "21st Sept 1935" just before disappearance.  Made record flight around Australia, 7539 miles in 10 days. Set world's record for flight from Australia to England.  Lost en route to Singapore in attempted flight from England to Australia.   Full ink signature on 6.5 x 5 "Cunard White Star Britannic" stationary, adding "21st Sept 1935".  Signed just before is disappearance. Normal age toning, in very good condition.