One of approximately 250 believed to exist on the open market - remaining 50 covers were donated to universities and institutes

From the collection of Jim McDivitt:

Authentic Apollo 16 Lunar Module Orion Kapton foil artifact

witnessing the vastness of space and the moon’s desolate beauty before returning safely to Earth

At the time the letter arrived

Soyuz TMA-7/8 - Expedition 13 flown ISS cover - Brasil flight Checklist One of approximately 250 believedSoyuz TMA 7 8 Expedition 13 flown ISS cover Brasil flight! Hand signed by all 5 crewmembers incl. Marcos Pontes from Brasil. Official RKK Energyia cover. Detailed description to follow.