Apollo 13 commemorative cover, 6.5 x 3.5, bearing the “mission aborted” hand cancel and signed in black felt tip by four: James Lovell, Ken Mattingly, Fred Haise, and Jack Swigert (who served as a replacement on the mission after Mattingly was exposed to German measles). In fine condition, with very mild soiling and postal ink traces to reverse. R&R COA.
