This is a first day issue envelope (3.625"x6.5") with four stamps saluting United States Space Achievements, which has been postmarked Kennedy Space Center Sept. 29 1967 FL. The envelope shows black and white illustrations for the first trouble-free space walk -- an astronaut in space, a rocket blasting off, and a satellite on a planet's surface. The four stamps come from the upper left-hand corner of plate block 29312. Both the envelope and the stamp say "First Day of Issue." In very good condition.