This letter sent from Portugal 2010 World Philatelic Exhibition was delivered to the International Space Station by the "Progress M-09M” unmanned supply spacecraft.
The letter was written and sent from Lisbon to Moscow on October 10, 2010 at the day when the 71st FIP Congress took place in the frames of the PORTUGAL’2010. Aboard the station the letter was cancelled with the official board post mark dated January 30, 2011, the day when the "Progress M-09M” spacecraft docked to the ISS.
