This Autographed 2000 World Series Logo Oml Baseball has been Personally Signed by Joe Torre, Derek Jeter, Andy Pettitte, Mariano RIvera, Don Zimmer, Paul O'Neill, Roger Clemens, David Cone, Tino Martinez, Willie Randolph, Doc Gooden, David Justice, Chuck Knoblauch, Jose Canseco, Mel Stottlemyre, Chris Chambliss, Jeff Nelson of the New York Yankees. This item is 100% Authentic to include a Certificate of Authenticity (COA) / hologram by JSA. The authenticity can be verified on JSA website.