For close to three decades, New York fans have been treated by the timeless home run calls of Yankees sportscaster, John Sterling.  His calls have gone hand-in-hand with some of the Yankees most historic moments. Here is your opportunity to own 9 baseballs autographed by iconic Yankees sportscaster, John Sterling.  The set includes 9 autographed baseballs, each one autographed and inscribed with his most famous home run calls. The set also includes a premium 9 baseball glass display case.  The set is a perfect display piece for your home, office or man cave...or the perfect gift for that special Yankees fan in your life. The autographs and inscriptions are authenticated by Steiner Sports and features our unique ID Tamper-Evident hologram.  The hologram numbers can be entered into the hologram database located on the Steiner Sports website and your certificates of authenticity can be viewed and downloaded at any time. This new process verifies that the piece is an Authentic Steiner Sports Product and also serves as a "virtual safe" for your Certificate of Authenticity...Never worry about losing your Certificate of Authenticity again!