Joe Torre Don Zimmer & Mel Stottlemyre each personally hand-signed this 16x20 photo. These three were the most important coaches on the Yankee staff during their dynasty during the late nineties. This is a must have for any true Yankee fan. Their autographs are guaranteed authentic and include a Steiner Sports Certificate of Authenticity and accompanying tamper-evident Steiner Hologram.The Steiner Seal Means Its Real.Steiner Sports is the Official Memorabilia Partner of the New York Yankees.