Autographs of Jack Nicklaus and His Son Gary on the March 11, 1985 SI Cover. Lot 373. Autographs of Jack Nicklaus and His Son Gary on the March 11, 1985 SI Cover. Vg+ to ex issue. Both signatures are 10s. Authenticated by Kevin Keating. Winning Bid $35. Back to List Winning Bid $35 Back to List