ISS Expedition 66 + SpaceX Crew-3 FLOWN crewsigned ISS cover by all 7

Expedition 66 + SpaceX Crew-3 manned Dragon flight:

Extremely RARE FLOWN ISS cover postmarked November 2021 in space crew-signed by the Expedition 66 crew and the SpaceX Crew-3:

• Anton Shkaplerov

• Pyotr Dubrov

• Mark Vande Hei

• Raja Chari (SpaceX Crew 3)

• Matthias Maurer (SpaceX Crew 3)

• Thomas Marshburn (SpaceX Crew 3)

• Kayla Barron (SpaceX Crew 3)

These are the first crew-signed "Crew-3" covers we have seen since the flight.