This Autographed Bobby Brown Oal Baseball has been Personally Signed by Notable Signatures Include: Kirby Puckett, Larry Casian, Kevin Tapani, Lenny Webster, David West, Mike Trombley, Randy Bush, Brian Harper, Derek Parks, Dick Such, Tom Kelly, Wayne Terwilliger & 12 more of the Minnesota Twins. 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.