Frank Thomas Autographed Chicago White Sox HOF Baseball Beckett 40578 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 Frank Thomas with "HOF" inscription. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.