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.