Formidable collection of 120 signed Yankee baseballs, including Hall of Famers, legends, stars and some prospects. The marquee attraction is a 2015 Trenton Thunder team-signed ball with Aaron Judge and Gary Sanchez, while there are also balls from Derek Jeter (2), Mariano Rivera, Yogi Berra, Dellin Betances, Joe Torre, Hideki Matsui, Alex Rodriguez, Whitey Ford, Bobby Murcer, Lefty Gomez, Don Mattingly, Reggie Jackson, Joe Girardi, Paul O'Neill, Roger Clemens (3), Deion Sanders, Andy Pettitte (2), Rickey Henderson, Wade Boggs, CC Sabathia, Robinson Cano (2), Ivan Rodriguez (2), Mark Teixeira (2), Bernie Williams, Gary Sheffield, Nick Swisher, David Cone, Brett Gardner, Jose Canseco, Jacoby Ellsbury, David Robertson, Starlin Castro, Mike Mussina, Alfonso Soriano, Orlando Hernandez, Ralph Houk, Curtis Granderson and more. The signatures average 8/10 while the balls, which are virtually all ONL, OML, or OAL, average 7/10. Additionally, 10-20% are inscribed and 10-20% are certified, including Steiner and MLB.