[APOLLO 15]. 4 covers. 2 Manned Spacecraft Center Stamp Club Apollo 15 emblem cachets. [U, postmark KSC, 26 July 1971, launch] -- [U, Houston, TX, 30 July 1971, lunar landing] -- A Lunar Voyage Cachets cover with sub-satellite deploy [U, KSC, 4 August1971] -- A Space Voyage cover with a Lunar Receiving Lab cachet. [U, Houston, TX, 9 August 1971]. ALL SIGNED BY DAVE SCOTT, JAMES IRWIN, AND AL WORDEN. (4)