Lot 831
Flown Mercury "Sigma 7" Aft Heat Shield Section. Flown Mercury "Sigma 7" Aft Heat Shield Section. MA-8 piloted by Wally Schirra was the fifth mercury flight launched October 3, 1952. Sigma 7 completed 6 orbits in 9 hours, 13 minutes. The longest Mercury flight to date. Built of honeycombed aluminum with many layers of glass-fiber material, the heat shield would boil away as the Mercury capsule descended through the atmosphere. As the silica material (fiberglass) melted, it deposited a white residue on its surface, resembling icing. Section measures approximately 2 x 1½ ". Comes with consignor’s COA. Estimated Value $350 - 400
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Realized $432 |