# fc170 Soyuz T-4/Salyut-6 flown 4 covers

Cosmonauts Vladimir Kovalyonok and Viktor Savinykh conducted 74 days a bonus mission aboard Salyut-6 station, wich had already exceeded its design lifetime.Cosmonauts were visited by 2 guest crews. Original covers signed by both cosmonauts of this Fifth main residence expedition to Salyut station Kovalyonok and Savinykh.And cosmonauts cancelled them with Space mail Soyuz/Salyut handstamps on 12.04.81, 18.05.81 and remained on board from previous team 28.05.80 handstamp. Plus they cancelled covers with pentagonal Salyut-6 onboard handstamp and specially issued for their Fifth Salyut-6 Kovalyonok-Savinykh handstamp.Covers from personal archives of Viktor Savinykh.