Two items: an inch-long segment of flown aeroshell recovered from the Delta Clipper; and two smaller fragments of flown material recovered from the aeroshell of the McDonnell Douglas DC-X Delta Clipper affixed to a commemorative cover with a cachet honoring the experimental vehicle. In fine condition. Accompanied by certificates of authenticity stating that this material was flown on the first five test flight missions and retrieved by Major Dale Shell from pieces damaged in a minor inflight explosion during the fifth launch. Also accompanied by two photos of the craft during launch. From the Leon Ford Collection.