Lot 513: Challenger STS-51-L launch day postal cover with a stamped cachet honoring the tragic mission, signed in black felt tip, "S. Christa McAuliffe." In fine condition, with a light paperclip impression to top edge and some trivial haloing to the cachet.
RR Auction's Fine Autographs and Artifacts Auction 462
Wednesday, 14th October 2015
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