This Autographed Babe Ruth Home Run Special Spalding Baseball has been Personally Signed by Notable signatures include: Babe Ruth, Bill Dickey, Joe McCarthy, Herb Pennock, Lou Gehrig, Earle Combs, Tony Lazzeri, Joe Sewell, Jimmie Reese, and Jimmy Burke 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.