Invitation to cosmonaut Grechko to attend openning ceremony of Kirov city government museum of Tsiolkovskiy given by Grechko to cosmonaut Viktor Savinykh to be flown on board Soyuz TM-5/MIR flight in 1988.
Front side of this folding card depicts graphic portrait of Tsiolkovskiy and reads `Invitation`.
Inside cancelled with MIR onboard handstamp and signed by cosmonauts Titov and Manarov (third MIR resident crew) and visiting station USSR-Bulgaria Soyuz TM-5 cosmonauts Savinykh and Alexandrov (Bulgaria).