From the family collection of astronaut Richard Gordon—a commemorative cover with a cachet honoring the Apollo 10 mission, with images of the crew members to the right side, postmarked at Cape Canaveral on May 22, 1969, signed in ballpoint by Gene Cernan and Tom Stafford. In fine condition. Accompanied by a full letter of authenticity from Zarelli Space Authentication, and by a certificate of authenticity signed by the son of Richard Gordon.