Neil Armstrong's partially printed Portuguese-language invitation from Manoel Pio Corrêa, the Secretary General of Foreign Affairs of Brazil, one page, 6.5 x 4.5, requesting the attendance of Gemini 8 Command Pilot Armstrong and his wife at a luncheon on October 19, 1966. In fine condition, with a few tiny stains. Encapsulated in a CAG authentication sleeve. Accompanied by a letter of provenance from The Armstrong Family Collection, signed by Armstrong's sons, Rick and Mark. Provenance: Heritage Auctions, The Armstrong Family Collection, May 2019.