Kevin Garnett Boston Celtics Autographed Basketball HOF 20 Fanatics Authentic. Item: Kevin Garnett Boston Celtics Autographed Basketball HOF 20 Fanatics AuthenticMore Info on Item: NBA Hall of Famer Kevin Garnett has autographed this officially licensed full size NBA indoor/outdoor basketball and written HOF 20, his Hall of Fame year. Authentication: Autograph and inscription are authenticated by Fanatics Authentic who conducted the signing with him.Item has their unique authenticity hologram number which is verified on their site verifying its authenticity. We are more than willing to help. St Louis star Jordan Walker has autographed this official MLB baseball. Autograph was witnessed and authenticated by Beckett Authentication Services (BAS). Simply scan the QR code hologram on your item to verify authenticity on their site. A UV display case is included.