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Derek Jeter Mariano Rivera Pettitte Posada Core Four Signed Baseball Fanatics
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Mariano Rivera Autographed Baseball Memorabilia & MLB Merchandise
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After Six Years, Center Stage Again - The New York Times
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The “Core Four”
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Andy Pettitte Derek Jeter Jorge Posada & Mariano Rivera New York Yankees Autographed Core Four Baseball
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Steiner Sports
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1999 Yankees World Series Core Four (4) Signed Baseball. Jeter, Rivera, Pettitte and Posada. 1/48. — The Bullpen Sports Collectibles
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Lot Detail - Posada/Pettitte/Rivera/Jeter Signed Core Four at Old Yankee Stadium 16x20 Photo Steiner
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Lot Detail - New York Yankees Core 4 Multi-Signed Framed 16 x 20 Photo Signed by Jeter, Pettitte, Posada and Rivera (Steiner)
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Remembering The 1996 Yankees: Core Was Truly A Fantastic 4 - CBS New York
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Derek Jeter Mariano Rivera Pettitte Posada Core Four Signed Baseball Fanatics
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Yankees World Series Championship 4-Pack
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Yankees World Series Championship 4-Pack
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