Lot 657
Rare Gemini 8 Cover Signed By Four Astronaut Candidates That Never Flew In Space. Cover with a purple Gemini 8 rendezvous cachet postmarked March 16, 1966 USS Hassayampa and cancelled Scotts #1208 5 cent flag stamp. Signed by the following astronaut candidates that did not get to fly in space; Curtis Michel (group 4), John Bull (group 5), Duane Graveline (group 4), and Brian O'Leary (group 6). Estimated Value $200 - UP
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| Realized $132 |
