Rickey Henderson Signed Oakland Athletics OML HOF Baseball Beckett 41201 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 Oakland Athletics Autographed Official Major League Baseball that was personally autographed by Rickey Henderson with "HOF" inscription. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.