This Autographed Spalding Indoor/Outdoor Basketball has been Personally Signed by Moses Malone; Orlando Woolridge; Warren Kidd; Jeff Hornacek; Dana Barros; Clarence Weatherspoon; Sean Green; Shawn Bradley; Jeff Hornacek and two others of the Philadelphia 76ers. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by Beckett Authentication Services. The authenticity can be verified on Beckett Authentication Services website.