Group 4 Astronauts A blank envelope with stamp but no postma

Sale 2142 - Lot 362

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Estimate: $ 300 - $ 400

Group 4 Astronauts. A blank envelope with stamp but no postmark having all six Group 4 Astronaut signatures. (ECR) Np, nd

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Signed by Garriott, Gibson, Graveline, Kerwin, Michel, and Schmitt who were the first Scientist Astronauts selected in 1965.