“The National Aeronautics and Space Administration cordially welcomes you to the launch of Apollo 11, the first mission planned to land Man on the Moon and return him safely to Earth.”

“This credential is issued to the bearer for his sole, exclusive personal use, and is not transferable. After launch, it may be kept as a souvenir of the mission.”

The invitation is signed by Kurt H. Debus, the Director of Kennedy Space Center during the time of the launch.

Source: “Scan of official…” (1969) by NASA, public domain.