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

Certificate of authenticity

Four more space-rated orbiters were built: Challenger

Aleksei Stanislavovich Yeliseyev — Soyuz 5 and Soyuz 4

Original letter handwritten aboard the International Space Station

STS-132 docking flown ISS cover "Roscosmos" edition Apollo 17 It is accompanied by anSTS 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.