This Autographed 2000-2002 Dunkman Shoes with the inscription of "Game Used" has been Personally Signed by Shaquille O'Neal of the Miami Heat . 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. These shoes come directly from Shaquille O'Neal's personal collection. I comes with a signed LOA from Shaquille O'Neal and a LOA from Sports Investors Authentication as well.