None of the Columbia or Challenger artifacts are from the ill-fated flights but removed after an earlier flight during regular maintenance

Weinberger also confirmed the story

Only a few years after the end of the Cold War

Because every fragment originates from the original flown strap

For those seeking to own an iconic and rare piece of space history

Expedition 15 ISS FLOWN Oleg Kotov private cover + letter Liberty Bell None of the Columbia orFrom the celebrated astrophilatelic collection of Jacques Bracke A rare and deeply personal Expedition 15 International Space Stationflown cover and handwritten letter, sent directly from orbit by Russian cosmonaut Oleg Kotov to noted astrophilatelist Jacques Bracke. Dated 21 April 2007, the cover was carried aboard the International Space Station during the opening weeks of Expedition 15 and is accompanied by an enclosed handwritten letter by Kotov,