ISS FLOWN cover - commemorating Shenzhou 18 - hand signed

Flown ISS Cover – Marking the Flight of China’s Shenzhou-18 Mission

Canceled Aboard the International Space Station | Signed by ISS Crew Members

This is a rare space-flown philatelic cover, officially canceled on board the International Space Station (ISS) to mark the historic mission of China’s Shenzhou-18 spacecraft. A unique intersection of international space exploration, this cover commemorates key milestones of the Shenzhou-18 flight and bears the signatures of four astronauts who were aboard the ISS at the time.

Key Features:

• Flown and canceled on the ISS to commemorate the launch and landing of China’s Shenzhou-18 mission

• First cancellation date: April 25, 2024 – the day Shenzhou-18 launched and docked with the Chinese Tiangong space station

• Second cancellation date: November 3, 2024 – the day of Shenzhou-18’s return to Earth

• Signed by three Russian cosmonauts:

  • Alexei Ovchinin

  • Ivan Vagner

  • Alexander Grebenkin

• Also signed by veteran U.S. astronaut Donald Pettit

• Authentic ISS cachets and onboard cancellations

• An excellent example of cross-program recognition between Russian, American, and Chinese spaceflight milestones