Commemorative Spalding Yogi Berra model bat signed in blue Sharpie on the barrel by the Yankee great. *Please note that this item is guaranteed by Love of the Game to pass authentication from one of the hobby's three major autograph authenticators: James Spence Authentication PSA/DNA or SGC Authentic. Please see our auction rules at http://loveofthegameauctions.com/rules.aspx for details on our guarantee and bid with confidence.