This Autographed Spalding Indoor/Outdoor Basketball has been Personally Signed by Kobe Bryant, Steve Nash, Pau Gasol, Dwight Howard, Ron Artest, Steve Blake, Earl Clark, Chris Duhon, Devin Ebanks, Andrew Goudelock, Darius Johnson-Odom, Jodie Meeks, Darius Morris & Robert Sacre of the Los Angeles Lakers. This item is 100% Authentic and comes with a PSA/DNA Certification Card and a matching numbered Hologram. The authenticity can be verified on Professional Sports Authenticator website.