A New York Mets Shea Stadium Blue #15 Seatback hand signed by Al Weis, Yogi Berra, Ken Boswell, Ed Charles, Duffy Dyer, Wayne Garrett, Jim Gosker, Jerry Grote, Bud Harrelson, Al Jackson, Cleon Jones, Ed Kranepoll, JC Martin, Jim McAndrew, Amon Otis, Joe Pignataro, Tom Seaver, Art Shamsky Ron Swoboda & Ron Taylor. The signatures are in excellent condion. The seat back is in used condition. AUTHENTICATION: The item is accompanied by a Steiner Sports Hologram & an Official MLB Hologram.