FDC, 6.5 x 3.75, with a cachet honoring the centennial of baseball, signed on the front in ink and ballpoint by Hank Greenberg, Joe DiMaggio, Roger Maris, Mickey Mantle, Lefty Grove, Yogi Berra, Lou Boudreau, Chas. Gehringer and Elston Howard, as well as a clubhouse signature of Ted Williams. In fine condition. COA Steve Grad/PSA/DNA, COA James Spence and R&R COA.