Soyuz MS-11 - prime + backup crew signed launch cover - Artemis candidates John Glenn 3 psid for 30 minutes

3 psid for 30 minutes to provide breathing oxygen to the crewman

The source of the strap is the personal collection of Charlie Duke whom we personally acquired it from - a copy of his letter of authentication will come with the presentation

A spectacular voyage with several postmarkers

having launched aboard Soyuz TMA-15M in November 2014

The cover is also hand-signed by eight astronauts

Soyuz MS-11 - prime + backup crew signed launch cover - Artemis candidates John Glenn 3 psid for 30 minutesSoyuz MS 11 prime + backup crew signed launch cover Baikonur by all 6 astronauts and cosmonauts incl. Luca Parmitano, Artemis 3 astronauts, and Anne McClain, Artemis candidate.