This is a Cal Ripken Jr and Billy Ripken duo signed 'Baseball the Ripken Way - The Fundamentals of Hitting' dvd cover (with disc). Cal Ripken Jr and Billy Ripken both autographed the dvd cover in blue sharpie. This dvd cover has been examined and authenticated by Beckett Authentication Services (BAS), and has been deemed authentic. The Beckett Certificate number is S38717. This authentication can be verified by visiting www.Beckett-Authentication.com and utilizing the authentication number S38717 in the designated area. All signatures have been obtained by Southwestconnection-Memorabilia, directly from the athlete or celebrity. Thank you for shopping with us. 1