It took us more than 20 years to locate a suitable flown artifact from Glenn's flight since almost nothing (except flown dollar bills) is on the market

Soyuz TM-3 — Mir-Flown Cover Featuring Buran Test Pilot and Cosmonaut Anatoly Levchenko

whose first stage incorporated Ukrainian-built structures and Russian RD-181 engines

while Gerst progressed from flight engineer during Expedition 56 to station commander during Expedition 57

Soyuz MS-12 - FLOWN ISS cover Christina Koch Artemis II command module It took us more thanSoyuz MS 12 ISS Flown Roscosmos Cover Signed by All Six Expedition 59 Crew Members, Including Christina Koch An outstanding International Space Station flown cover, hand signed in orbit by all six astronauts and cosmonauts living aboard the ISS during Expedition 59including record breaking NASA astronaut and Artemis II lunar explorer Christina Koch. Officially issued by Roscosmos, this attractive cover bears a special cachet and was postmarked aboard