Soyuz MS-21 flown cover carried to the International Space Station, signed by fourteen including the crews of SpaceX Dragon Crew-3 (Raja Chari, Thomas Marshburn, Matthias Maurer, and Kayla Barron), Dragon Crew-4 (Kjell N. Lindgren, Robert Hines, Samantha Cristoforetti, and Jessica Watkins), Soyuz MS-19 (Anton Shkaplerov, Pyotr Dubrov, and Mark T. Vande Hei), and Soyuz MS-21 (Oleg Artemyev, Denis Matveev, and Sergey Korsakov). The cover bears three on-board International Space Station stamps, including the postmark of the Russian segment of the ISS. In fine condition.