This is an Official American League (MacPhail) baseball that has been hand signed by Roger Maris & Mickey Mantle. The autographs have been graded by PSA an 8, and the baseball a 7, with an overall grade of a 7.5. The autograph has been certified authentic by PSA/DNA and comes with their sticker and matching full page certificate. It has also been authenticated by JSA and comes with their full page certificate. JSA #X08689.