Description:Rare William Harridge single signed baseball (EX/MT) MacGregor "Ridgewood Sports Shop" baseball has been signed "William Harridge" in fountain pen rating 7-7/8 out of 10. Ball displays mild toning with some extremely minor wear. The year "1954" has been written just above autograph in an unknown hand. Notably rare and a choice example. Includes full LOA from JSA: EX/MT