1972-04-16 USA Apollo 16

Apollo 16 insurance cover with a cachet of the Apollo 16 mission insignia, and two sets of astronaut wings, bearing an April 16, 1972, Kennedy Space Center postmark, signed in blue felt tip by John Young, Charlie Duke, and Ken Mattingly. Reverse bears a printed certification which reads, "Originally Apollo 16 Insurance Cover Pre-launch signed on the obverse from my personal collection." and signed by John Young. - RRAuction
Apollo 16 KSC mailer's postmark permit cancelled on launch day, 16 April, 1972.
Apollo 16 primary recovery ship cover with rare USS Ticonderoga machine cancel, April 27, 1972, postmarked on board the ship.
Apollo 16 recovery cover flown via helicopter with the rare USS Ticonderoga machine cancel, April 27, 1972.
Apollo 16 USS Ticonderoga recovery ship cover with Beck rubber stamped cachet, signed by recovery crew.
The USS Ticonderoga hand cancel, April 27, 1972, was postmarked on shore.
Apollo 16 Captain's cover with hand cancel USS Ticonderoga, April 27, 1972.