This Autographed Limited Edition #21/200 2000 Subway Series Rawlings Big Stick Baseball Bat has been Personally Signed by Joe Torre, Derek Jeter, Mariano Rivera, Roger Clemens, David Cone, Randy Choate, Dwight Gooden, Denny Neagle, Jeff Nelson, Andy Pettitte, Mike Stanton, Mel Stottlemyre, Willie Randolph, Don Zimmer, Luis Polonia, Paul O'Neill, Jose Canseco, Chuck Knoblauch, Chris Turner, Tino Martinez, Clay Bellinger & 7 More of the New York Yankees. This item is 100% Authentic to include a hologram by Beckett Authentication Services. This item will come with an affixed Beckett Authentication Services (BAS) authentication sticker, which includes a scannable QR code to verify authenticity. Please note that Beckett no longer provides serial-numbered COA cards, and the attached BAS sticker will serve as the complete authentication for this item. The authenticity can be verified on Beckett Authentication Services website.