Patch from A.Leonov artwork.Signed by A.Leonov on reverse side.
Cover flown to the ISS aboard Soyuz MS-16 with Expedition-63 crew:Christopher Cassidy,Anatoliy Ivanishin and Ivan Vagner.Signed by all crew members.
Upon arrival to the ISS SpaceX Crew Dragon Demo-2 astronauts Doug Hurley and Bob Behnken cover was signed by them as well on July 17, 2020 during event marked 45-years ASTP anniversary.
Stamped with octagonal hand stamp "Board of the ISS" and round stamp of ISS Russian segment.Dated 17 July, 2020.
Cover and patch returned from ISS aboard Soyuz MS-16.