1999 Yankees World Series Core Four (4) Signed Baseball. Jeter, Rivera, Pettitte and Posada. 1/48. — The Bullpen Sports Collectibles

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This pieces features 5 World Series Championship rings. (1996,1998,1999,2000 & 2009 replica Championship rings) This piece also features a picture of

331 New York Yankees CORE 4 Derek Jeter, Andy Pettitte, Mariano Rivera, Jorge Posada

Jeter/Rivera/Posada/Pettitte Core Four Autographed 16x20

Derek Jeter, Mariano Rivera, Andy Pettitte & Jorge Posada Signed Yankees Core Four Majestic Authentic Jersey Limited Edition #4/27 (Steiner COA)

Official 1999 World Series baseball signed in ink by the “Core Four”: Hall of Famers Derek Jeter and Mariano Rivera, and Andy Pettitte and Jorge

1999 Yankees World Series Core Four (4) Signed Baseball. Jeter, Rivera, Pettitte and Posada. 1/48. — The Bullpen Sports Collectibles

Derek Jeter Mariano Rivera Pettitte Posada Core Four Signed Baseball Fanatics

Very Rare New York Yankees Core 4 Signed Jersey. Jeter,Posada,Rivera, Pettitte!!!

1,428 1999 World Series Photos & High Res Pictures - Getty Images

Limited Edition Yankees Core Four Majestic Authentic Jersey Signed By (4) With Derek Jeter, Mariano Rivera, Andy Pettitte & Jorge Posada (Steiner Hologram)

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2001 New York Yankees Team Signed W.S. Baseball Derek Jeter Rivera PSA DNA COA