grind or break this artifact and keep it away from children

Apollo 17 Official Insurance Cover — Signed by Gene Cernan

Yuri Usachev rare original NASA 8x10 litho in shuttle suit hand signed by him

The cover is hand-signed by the astronauts and cosmonauts who served across the two expeditions

Cygnus NG-20 Flown ISS Cover — A Rare Transitional Mission Artifact

STS-71 - first docking MIR-Shuttle - flown cover + letter Poleshuk Gemini grind or break this artifactMirSTS 71 Flown Space Mail with Two Page Cosmonaut Letter An exceptional and highly personal example of genuine Mir era space mail, comprising an addressed cover and its complete original two page handwritten letter. The correspondence was written by veteran Russian cosmonaut Aleksandr Poleshchuk to fellow cosmonaut Gennady Strekalov while Strekalov was serving aboard the Mir space station. The cover was officially postmarked aboard Mir, creating a