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Many customers ask what authenticity do our famous autographs and collector's items come with, or ask how we authenticate our items.


All of our sports autographs, famous autographs and celebrity memorabilia are authenticated by Major League Baseball, Steiner Sports, TriStar, PSA/DNA, JSA, Mounted Memories, or come with a Powers Collectibles certificate of authenticity. Many items have a unique hologram number affixed to the item. This number can then be verified online and shows the item and date it was signed. We work directly with celebrities and athletes and have them under written contract to conduct private and public autograph signings. When possible, a photo from the signing will accompany your signed memorabilia or collectible item.


Want to learn more about buying an authentic autograph? Check out the Powers Autographs Buying Guide.


Powers Autographs proudly sells authentic autographed sports memorabilia from PSA DNA. Powers Autographs proudly sells authentic autographed memorabilia from JSA. Powers Autographs proudly sells authentic sports memorabilia from Steiner. Powers Autographs proudly sells signed memorabilia with letters of authenticity. 

Powers Autographs proudly sells authentic sports autographs from MLB. Powers Autographs proudly sells famous autographs authenticated by Tristar.