The matching Christmas Day postmarks provide direct evidence that the complete correspondence was present aboard the station during Expedition 10

2017 cancellation marks the departure and return of the same Soyuz MS-05 trio

The last flight of the orbiter was mission STS-133 in 2011

who flew to Mir as part of the European Space Agency’s Euromir 95 mission

Pyotr Dubrov – Roscosmos Cosmonaut

Soyuz MS-10 + MS-12 flown cover - crash mail - Christina Koch Gordon Cooper The matching Christmas Day postmarksUnique cover flown on the aborted flight Soyuz MS 10 and again on Soyuz MS 12 with cosmonaut Alexey Ovchinin who certified the cover on the backflap ! Cover was onboard MS 10 and got slightly creased from the hard touchdown of the capsule, it then flew again with MS 12 and got signed and postmarked in space 15. 3. 2019 by 12 astronauts and cosmonauts in the first woman to fly to the moon Christina Koch. Also signed by Jessica Meir who did the first