Cygnus NG-18 flown cover carried to the International Space Station, signed by fourteen including crew members of Soyuz MS-21 (Oleg Artemyev, Denis Matveev, and Sergey Korsakov), Soyuz MS-22 (Sergey Prokopyev, Dmitry Petelin, and Francisco Rubio), and SpaceX Dragon Crew-6 (Stephen Bowen, Sultan Al Neyadi, and Andrey Fedyaev). The cover bears three on-board International Space Station stamps, including the postmark of the Russian segment of the ISS. In fine condition.
