First this letter was postmarked in the Philatelic Shop in Vienna, Austria. In Austria the letter was postmarked on 6 May 2010. It is the birthday of Russian cosmonaut A.Skvortsov, the addressee of this letter.
Then it was sent to the International Space Station. The letter was delivered to the station by the Soyuz TMA-19 spacecraft. Aboard the station the letter was marked with all proper board seals, including the ISS official board post mark dated 18 June 2010, the day when the Soyuz TMA-19 spacecraft docked to the ISS.