Unique cover from the head of the Liechtenstein government, Adrian Hasler, to the crew of the ISS.
The crew, cosmonauts Gennadi Padalka and Michail Kornijenko, signed and stamped the covers in outer space before these were transported back to Earth and certified by a recognized expert.
400 covers were issued.
- Geographic Origin
- Short Description
- Erste amtliche Liechtensteinische Weltraumpost zur Raumstation ISS - Brief
- Has certificate or expert signature
- Year of oldest stamps
- Postal used