This Autographed 3x5 Index Card has been Personally Signed by Sam Bowie of the Portland Trail Blazers. This item is 100% Authentic, it comes slabbed and authenticated by Beckett Authentication Services. The authenticity can be verified on Beckett Authentication Services website. We only offers Authentic Autographs by Sam Bowie through Signings, In-Person Signings or Private Collections to include a 100% money back Lifetime Authenticity Guarantee.