Four commemorative covers with color cachets honoring Space Shuttles Columbia and Challenger and STS missions 5, 6, and 7, postmarked on either the mission launch or landing date, each signed in black ballpoint or felt tip by their respective crew: Bob Overmyer, Joe Allen, Vance Brand, and William B. Lenoir; (2) Karol Bobko, Don Peterson, Story Musgrave, and Paul Weitz, who signs both covers; and Bob Crippen, Rick Hauck, John Fabian, Sally Ride, and Norm Thagard. In overall very fine condition.
This item is Pre-Certified by STEVE ZARELLI
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