Uncommon launch-day cover with a color cachet honoring the successful exploits of the Gemini 10 mission, signed in black felt tip by John Young and in black ink by Michael Collins. The cover is postmarked Cape Canaveral on July 18, 1966, the launch date of the Gemini 10 spacecraft. Reverse of cover signed in pencil, "From my personal collection, Ed Gibson, Skylab III (SL-4)." In fine condition, with a light glue-related stain.
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