Neil Armstrong signed 8 by 10 color NASA photo. Signed in his usual blue felt ink.Armstrong was famous for signing once upon request in the 1970s and 1980s and then he abruptly quit doing so. The item is unconditionally guaranteed to be authentic and pass any grading service. It will be accompanied by a Certificate of Authenticity. I believe it is authentic and will pass any grading service. I believe these are both authentic autographs. The item "Neil Armstrong 1st Man on the Moon. 8 by 10 Signed Photo" is in sale since Friday, March 26, 2021. This item is in the category "Collectibles\Autographs\Space". The seller is "markhutch1965" and is located in Madison, Mississippi. This item can be shipped worldwide.