Group of three commemorative covers signed by one or more Space Shuttle astronauts, including: a cover signed by the crew of STS-41-D (Hank Hartsfield, Michael Coats, Mike Mullane, Steven A. Hawley, Judy Resnik, and Charles Walker; a cover signed by the crew of STS-41-B (Vance Brand, Robert 'Hoot' Gibson, Bruce McCandless II, Robert L. Stewart, and Ron McNair); and a cover with a cachet honoring the F-111 Super Critical Wing, signed by Dick Scobee. In overall very fine condition. An appealing lot containing signatures of three members of the ill-fated crew of the STS-51-L mission.
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