This Autographed Spalding Official Game Ball Basketball has been Personally Signed by Ray Allen; Ervin Johnson; Glen Robinson; Terrell Brandon; Jamie Feick; Armon Gilliam; Jerald Honeycutt; Andrew Lang; Elliot Perry; Ricky Pierce; Tyrone Hill; Michael Curry & Bob Weinhauer of the Milwaukee Bucks. 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.