Presented here is a collection of four baseballs individually signed by members of the New York Yankees “Core Four”. The heartbeat of the Yankee dynasty of the 1990s and 2000s, the “Core Four” helped the Bronx Bombers to five World Series titles. Comprised of Derek Jeter, Jorge Posada, Andy Pettitte, and Mariano Rivera, these Yanks represent some of the most talented baseball players of their generation.

     These baseballs are all Official Major League Allan H. Selig baseballs. The first has been signed by Mariano Rivera, on a side panel below a commemorative Rivera logo. He signed the ball in blue marker. This ball is a limited edition 1,645 of 3,602. It comes with a COA from Steiner Sports. The second ball has been signed on the sweet spot in blue pen by Derek Jeter. This ball comes with a COA from Steiner Sports and a MLB Authenticated hologram (HZ 174605). The third ball is signed on the sweet spot in blue pen by ace starting pitcher Andy Pettitte. This ball comes with a COA from Steiner Sports. The final ball is signed by longtime backstop Jorge Posada on the sweet spot in blue pen. This item comes with a COA from Steiner Sports. Included with this lot is a commemorative “Core Four” baseball display case.

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