Outstanding paper supplement containing an illustrated version of the Ernest Lawrence Thayer poem "Casey at the Bat," with illustrations by Marc Simont. The two-panel supplement appeared in the April 9, 1956 issue of Sports Illustrated. The cover and back of the magazine have been signed by more than 30 players, including Negro League star Chet Brewer, Babe Ruth's roommate Jimmie Reese, and more. Signees include Sparky Anderson (HOF), Bobby Bragan, Chet Brewer, Dick Cole, Merrill Combs, Clint Conatser, Charlie Deal, Rod Dedeaux, Jess Flores (first Mexican-American scout), Fred Haney, Spider Jorgensen, Steve Kemp, Bob Kennedy, Marty Keough, Marcel Lachemann, Rene Lachemann, Norm Larker, Bob Lemon (HOF), Larry Maxie, Mel Nelson, Bob Neiman, Jack Paepke, Jerry Priddy, Jimmie Reese, Tom Reynolds, Ed Roebuck, Ed Sauer, Roy Smalley, Jerry Stephenson, Chuck Stevens, Lin Start, Joe Stephenson, Bob Sturgeon, Jason Thompson, and Jackie Warner. LOA from James Spence Authentication.