22 signatures from a unique All Star Game played in spring training 1970: Roberto Clemente, Pinson, Agee, McCarver, Murcer, Fairly, Brock, Brand, Tresh, Andrews, Seaver, Buford, Santo, Blefary, Knowles, Kaline, and a gorgeous Joe DiMaggio on the sweet spot. The “March 29, ‘70” below in Gibson’s own distinctive hand makes it even more special. Strong NRMT; Giles ONL. We have not yet been able to pinpoint the event so research would pay dividends.