This Autographed Bobby Brown Oal Baseball has been Personally Signed by Sparky Anderson, Alan Trammell, Kevin Ritz (2x), Scott Livingstone, Frank Tanana, Skeeter Barnes, Mark Leiter, Mike Henneman, John Doherty, Buddy Groom, Eric King, Mark Carreon, Tony Phillips, Dave Bergman, Cecil Fielder, Bill Gullickson, Lou Whitaker, Gene Roof, Walt Terrell, Kurt Knudsen, Mickey Tettleton, Chad Kreuter, Dan Whitmer and three others of the Detroit 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.