Collection of three New York Yankees team-signed baseballs dating, respectively, from the club's 1996, 1999, and 2009 World Championship seasons. Each of the balls is an Official World Series baseball from the respective year. 1). 1996. Twelve either blue or black-ink signatures (averaging 7/10), including Williams, Cone, Watson, Girardi, Zimmer, Randolph, Strawberry, Stottlemyre (coach), and Cardenal (coach). EX. Accompanied by a full LOA from PSA. 2) 1999. Eighteen blue-ink signatures (averaging 8/10), including Jeter, Torre (Mgr., sweet spot), Rivera, Clemens, Leyritz, Martinez, Zimmer (coach), Cone (Steiner holo), Knoblauch, Nelson, and Bellinger. A Steiner Sports hologram label is affixed to the ball. Light age toning, otherwise NM-MT. 3) 2009. Twenty-seven blue-ink signatures (averaging 9/10), including Jeter, Rivera, Matsui, Cano, Teixeira, Posada, Sabathia, Swisher, Gardner, Damon, Chamberlain, Hughes, Nady, Cabrera, Molina, Burnett, and Wang. A Steiner Sports hologram label is affixed to the ball. Light age toning, otherwise NM-MT.