This Autographed William White Onl Baseball has been Personally Signed by Tony Gwynn, Scott Coolbaugh, Atlee Hammaker, Dennis Rasmussen, Greg Riddoch, Benito Santiago, Craig Lefferts, Kevin Ward, Brian Dorsett, Mike Maddux, Bruce Kison, Bip Roberts, Fred McGriff, Tim Teufel, Thomas Howard, Adam Peterson, Rich Rodriguez, Darrin Jackson, Larry Anderson, Jerald Clark, Matt Clements, Ed Whitson, Andy Benes, Bruce Hurst and other of the San Diego Padres. 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.