Two commemorative covers: one with a cachet honoring the MOL Titan rocket launch from Cape Kennedy, signed in black ink by Hank Hartsfield, Bob Overmyer, and Karol Bobko, each adding “MOL astronaut” under their signatures; and one with a cachet honoring the heat shield test of the Gemini capsule, signed in black ink by Hartsfield, Overmyer, Richard Truly, and one other. In fine condition. Pre-certified Steve Zarelli and RR Auction COA.
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