Flown Rockwell International USAF postal cover with a ‘Guardian of the Peace’ cachet carried on the first flight of Rockwell’s B-1 bomber prototype, 6.5 x 3.75, canceled on the day of the flight, December 23, 1974. The cover also bears an affixed 10-cent Skylab postage stamp and typed address. In fine condition, with toning to edges.
We use cookies on this site to improve your experience. By using this site, you accept our use of cookies. To learn more, please see our Privacy Policy.
