Authentication: Autograph is authenticated by PSA/DNA, the worlds leading authenticator of sports autographs. Comes with their unique sticker # fixed to the item and verified on their website. Also, comes with their certificate of authenticity with same matching #. We are more than willing to help.The item "Saquon Barkley New York Giants Autographed NFL Signed Football PSA DNA COA" is in sale since Saturday, May 4, 2019. This item is in the category "Sports Mem, Cards & Fan Shop\Autographs-Original\Football-NFL\Balls". The seller is "bepowers33" and is located in Lee's Summit, Missouri. This item can be shipped worldwide.