Featured is an Arnold Palmer and Jack Nicklaus signed Sports Illustrated magazine from June 1, 1970. This magazine has been hand signed by Palmer and Jack Nicklaus and comes with the Beckett hologram and letter of authenticity. This magazine would make a great addition to any sports memorabilia collection! SPECIFICATIONS Autographed By: Jack Nicklaus Team: Sport: Golf-PGA Authentication: Beckett Grading Services