Jim Kaat Autographed/Signed Minnesota Twins HOF Baseball Beckett 40579 The number in the listing title is just an inventory sku for our records and is not the authentication number. The item pictured is a stock photo unless otherwise noted. This is an Official Major League Baseball that was personally autographed by Jim Kaat with "HOF" inscription. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.