Presented is a Spalding baseball signed by 12 HOFers and Negro League Stars. Important to note, is that the Roy Campanella signature is secretarial (via his wife).
Other important signers include Monte Irvin, Leon Day, Ted Williams, Ray Dandridge, Bill Cash, Gene Benson, Judy Johnson, Jocko Conlon, Bob Lemon, Ernie Banks, Catfish Hunter and Cool Papa Bell. There is also some indiscernible writing (signatures?) on one of the panels near the notation of 1989 Hall of Fame. Authentication: JSA Auction House Letter