Commemorative cover, 9.5 x 4, with a cachet honoring the prestigious 500 Home Run Club, signed in blue ballpoint by 11 members: Hank Aaron, Willie Mays, Frank Robinson, Harmon Killebrew, Mickey Mantle, Ted Williams, Willie McCovey, Eddie Mathews, Ernie Banks, Mike Schmidt, and Reggie Jackson. In very fine condition. Pre-certified Steve Grad/PSA/DNA and RR Auction COA.
This item is Pre-Certified by PSA/DNA
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