Two covers with stamped cachets honoring the Gemini 6 mission, one postmarked at Cape Canaveral on the launch date of December 15, 1965, the other aboard the USS Ponchatoula on the landing date of December 16, 1965, both signed in black felt tip by Wally Schirra and Tom Stafford. In overall fine condition. Accompanied by full letters of authenticity from Zarelli Space Authentication.
