This Autographed 18x23 Poster has been Personally Signed by Shaquille O'Neal, Chris Jackson, Dennis Tracey, Wayne Sims, Vernel Singleton, Maurice Williamson, Harold Boudreax, Lenear Burns, Richard Krajewski, Stanley Roberts, Geert Hammink, Randy Devall, Shawn Griggs, & Mike Hauser of the Louisiana State Tigers. 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.