This autographed Spalding NBA Game Ball Series basketball has been personally hand-signed by Kevin McHale of the Boston Celtics. When signing, McHale left the inscriptions “HOF 99, NBA Top 50, 3x Champ” along with his signature. This autograph is certified by James Spence Authentication (JSA). It comes with the numbered hologram and matching Certificate of Authenticity. This autograph is also certified by Beckett Authentication Services (BAS). It comes with the numbered hologram and matching Certificate of Authenticity.