Cover, Apollo 6 unmanned flight, paper, USA, 1968
Philatelic envelope commemorating the Apollo 6 mission. The envelope has a black ink stamp on the left side that depicts the logos for NASA and the United States Navy. The three US stamps depict the American flag, an astronaut and the American President Andrew Jackson. There is an air mail stamp. The postmark is from USS Chikaskia is dated April 4 1968. On the back of the envelope is the printed address of the sender.
Postmark on front of envelope, stamped in black ink 'USS / CHIKASKIA A0 54 / APR / 4 / 1968 / AM'