This Autographed Bobby Brown Baseball has been Personally Signed by Ted Williams; Mickey Mantle; Eddie Mathews; Reggie Jackson; Frank Robinson; Willie Mays; Harmon Killebrew; Mike Schmidt; Hank Aaron; Ernie Banks & Willie McCovey. 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.