David Robertson Signed Baseball Phillies – COA JSA

David Robertson is an American professional baseball relief pitcher for the Philadelphia Phillies of Major League Baseball (MLB). He previously played for the New York Yankees and the Chicago White Sox.

Presented is a OML (Selig) baseball autographed by David Robertson. He signed it on the sweet spot in blue ballpoint pen (“9”). There’s some tone spots on the baseball.

Authentication: JSA Basic Cert & Sticker