Four more space-rated orbiters were built: Challenger

It is accompanied by an extensive historical statement and mounted on an 8 × 10-inch notarized certificate of authenticity

Condition: Original flown telegram strip showing expected handling and age consistent with its use aboard Mir

complete mission-crew signatures

STS-132 docking flown ISS cover "Roscosmos" edition Apollo 17 Four more space-rated orbiters wereSTS 132 docking flown ISS cover "Roscosmos" official edition postmarked in space onboard the ISS and hand signed by all 6 astronauts and cosmonauts incl. Tracy Caldwell Dyson, Kotov, Creamer, Noguchi, Kornienko, Skvortsov. Attractive cachet excellent condition.