Official RKK Energia edition, flown aboard the International Space Station during Expedition 26 and signed by the complete six-person crew: Scott Kelly, Cady Coleman, Paolo Nespoli, Dmitri Kondratyev, Aleksandr Kaleri and Oleg Skripochka.
The cover bears on-board ISS postmarks dated 26 February 2011 and 7 March 2011, confirming its presence in orbit during the mission.
An attractive and desirable piece of flown ISS postal history, combining official RKK Energia provenance with the signatures of the full Expedition 26 crew, including NASA astronauts Scott Kelly and Cady Coleman.
SIZE: cover
CONDITION: excellent