I suggested (way above) searching Bonham's because they have sold:
FABRIC FROM THE KITTY HAWK FLYER, 1903.
1. Swatch of fabric, 1½ x 1¼ inches,
Sold for US$ 33,750 inc. premium
https://www.bonhams.com/auctions/20944/lot/4/(Note the letter of certification.)
CONRAD'S LUNAR MODULE STOWAGE STRAP EMBEDDED WITH LUNAR DUST.
OVER 31 HOURS ON THE LUNAR SURFACE.
https://www.bonhams.com/auctions/21425/lot/241/(Note astronaut's hand-written letter of certification.)
MERCURY ERA SPACESUIT.
AN EXCELLENT EXAMPLE OF THE COVER LAYER FOR THE FAMOUS SILVER SPACESUIT OF THE MERCURY PROGRAM.
Sold for US$ 43,750 inc. premium
https://www.bonhams.com/auctions/21425/lot/56/FLOWN AROUND THE MOON ABOARD APOLLO 13.
FLOWN SWATCH OF SEAT FABRIC FROM THE APOLLO 13 COMMAND MODULE.
Sold for US$ 3,750 inc. premium
https://www.bonhams.com/auctions/21425/lot/254/LINDBERGH MEMORABILIA.
1. A square fragment of silver-coated textile, 4 x 6½ inches, believed to be from the Spirit of St. Louis.
Sold for US$ 2,750 inc. premium
https://www.bonhams.com/auctions/20944/lot/48/FABRIC FROM LINDBERGH'S SPIRIT OF ST. LOUIS?
A square fragment of silver-coated textile,
Sold for US$ 2,000 inc. premium
https://www.bonhams.com/auctions/19632/lot/1025/EARLY TROUSER PROTOTYPE OF THE SPACE SHUTTLE IN-FLIGHT CABIN CREW SUIT.
Sold for US$ 600 inc. premium
https://www.bonhams.com/auctions/21425/lot/60/Cheers,
/s/ ikeyPikey (who bought the catalog)