Zinedine Zidane Signed Soccer Ball Real Madrid Futbol PSA/DNA COA. This Zinedine Zidane autographed Soccer Ball has been personally hand-signed by Zinedine Zidane. Like all pieces on our site, this item is guaranteed 100% authentic. Value will likely increase so take advantage of this. PSA/DNA does not issue Certificate of Authenticity cards anymore. The COA is now only online and on the sticker affixed to the item. We also carry additional Soccer Memorabilia and other Real Madrid Autographs.