Going to space is no reason to abandon hygiene. You may have trod upon the moon, but you still have to brush your teeth. Flown Apollo 11 Toothbrush and Storage Sleeve, one of only two taken to the lunar surface during the first lunar landing, Lactona for NASA, 1969, with a Typed Letter Signed by Buzz Aldrin. Sold for $18,400. Courtesy Swann Auction Galleries.