Authentic Jordan Spieth signed sports memorabilia collectors will love this Jordan Spieth Autographed Masters Flag JSA Authentic from Sports Collectibles. This Jordan Spieth signature comes with a Certificate of Authenticity from JSA. Sports Collectibles is the online leader in 100% authentic Jordan Spieth and autographed collectibles. This particular autograph is in pristine condition and would make for a perfect start to a memorabilia collection. Autographed Jordan Spieth collectibles are hard to find, you are only a few quick clicks away from an authentic Jordan Spieth sports gift.