Charitybuzz: New York Yankees The Core Four Signed World Series

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

Lot Detail - New York Yankees Core Four Autographed Limited Edition Jersey #14/27

Lot of (4) New York Yankees Core Four OML Baseballs Signed by (4) with Derek Jeter

Coach's Corner - NY Yankees Core Four multi signed Official 1996 WS Baseball!

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

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

Lot Detail - New York Yankees Core 4 Multi-Signed Framed 16 x 20 Photo Signed by Jeter, Pettitte, Posada and Rivera (Steiner)

Charitybuzz: New York Yankees The Core Four Signed World Series Ring Display