Steve Carlton Autographed Philadelphia Phillies OML Baseball 4136 Ks JSA 30576 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is an official Major League baseball that was personally autographed by Steve Carlton with 4136 Ks inscription. Includes a certificate of authenticity from James Spence Authentication Services (JSA) and Denver Autographs.