Signatures on the cover include:

A superb addition to any advanced collection of flown space mail

while Command Module Pilot Thomas “Ken” Mattingly remained in lunar orbit

An exceptional oversized envelope genuinely flown aboard the Russian space station Mir during the historic STS-84 and Soyuz TM-25 era

further connecting the item to the German–Russian spaceflight activities of that period

Soyuz TMA-8 - Svarowsky crystals stamp FLOWN ISS cover + letter Dave Scott Signatures on the cover include:UNIQUE ISS FLOWN SWAROVSKI CRYSTAL STAMP COVER AND HANDWRITTEN LETTER Delivered by Soyuz TMA 8 to Cosmonaut Valery Tokarev Certified by Tokarev AIEP Certificate Published in Space & Philately From the Personal Collection of Renowned Astrophilatelist Jacques Bracke An extraordinary and potentially unique piece of International Space Station astrophilately, consisting of an envelope addressed and sent to Russian cosmonaut Valery Tokarev aboard the ISS,