First Flight, Registered from Manila, Philippines Dec. 2, 1935, to San Francisco, mixed franking front & back, boxed cachet front & back, #10 envelope (Image)

Est. US$35.00

1937, First Flight San Francisco, Cal. to Hong Kong, blue boxed F.A.M. 14, Hong Kong to San Francisco received h/s, franked C21-C22 and Hong Kong #141-142, 145, addr. to Baltimore, Mdtop corners of cover torn, slightly reduced at left o/w sound (Image)

Est. US$50.00

B19, Initial flight of World's Largest Airplane, Jun 27 1941, #10 size, addressed (Image)

Est. US$35.00

1962-1964, Lot of 26 Space related, cacheted & addr (Image)

Est. US$75.00

1965-1966, Lot of 29 different Space related, cacheted & addr (Image)

Est. US$90.00

1967-1973, Lot of 31 different Space related, cacheted & addr (Image)

Est. US$90.00

1983 Challanger flight franked with $9.95 Express Mail stamp, 3 different cancels, with NASA folder (Image)

Est. US$30.00