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    X-15: 40th Anniversary Cover Signed by Five X-15 Pilots. A #10 size philatelic cover signed by five X-15 pilots. This unique commemorative cover was flown by X-15 pilot Major Gen Joe Engle directly over Edwards Air Force Base on the 40th anniversary of the first flight of the X-15. Pictorially canceled at Edwards AFB on October 9, 1999. Included is an insert card detailing each pilot and number of flights flown. Signed in pencil: "Scott Crossfield", "William J Knight", "Robert M White", "Bill Dana", and "Joe Engle". Very fine.

    Auction Info

    Bidding Begins Approx.
    2nd Monday
    Auction Dates
    21st-22nd Saturday-Sunday
    Proxy Bidding Begins Approx.
    4 Days
    Bids + Registered Phone Bidders: N/A
    Lot Tracking Activity: N/A
    Page Views: 40
    Auction Type
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