A Jet Star NASA training aircraft airmail cover for the NASA Flight Research Center of Edward Air Force Base that has been hand signed by astronaut Walt Cunningham. It displays the cancellation date February 8, 1982. The second cover is a 500th anniversary of the birth of Nicolaus Copernicus, a Polish Astronomer. This First Day of Issue cover displays the cancellation stamp dated April 23, 1973. The cover has been hand signed by astronaut Walt Cunningham. Both covers are in very good to excellent condition with light edge wear.

Dimension: 4" x 7" x 0.25"