Soyuz 37 Leonid Popov (USSR), Valery Ryumin (USSR). Soyuz 38 Yuri Romanenko (USSR) Arnaldo Tamayo Mendez (Cuba). Soyuz T-2 Yury Malyshev (USSR), Vladimir Aksyonov (USSR). The item "Boardpost Flown Space Mail Cover Salyut 6 Salyut 7 Soyuz Cosmonauts Signed Rare" is in sale since Friday, January 3, 2020.This item is in the category "Stamps\Topical Stamps\Space". The seller is "kobalt2000" and is located in North York, Ontario. This item can be shipped worldwide.