25 signatures on a Giles ONL baseball: Bob Gibson, the Alou Brothers, Santo, Williams, Aaron, Grote, Marichal, Drysdale, Bench, Seaver, Haller, Staub, Franks, Fryman, Kessinger, Reed, Schoendienst, Bristol. NRMT. Game was the first ever All-Star event played at the Houston Astrodome.