Donn Eisele, Edward Skube & Walt Cunningham signed 1971 Space cover

Donn Eisele, Walt Cunningham and Edward Skube signed 1971 USA Decade of Space Achievements cover. Eisele and Cunningham were the Command Module and Lunar Module Pilots on the Apollo 7 Mission, whilst Skube was the mission's Navy Recovery Pilot for when the crew landed back into the ocean.