Sports Illustrated commemorative issue honoring the 1998 World Champion Yankees, 8.5 x 11, 96 pages. Signed on the front cover in black felt tip by 11 members of the 1998 Yankees, including Darryl Strawberry, Mariano Rivera, Jeff Nelson, David Cone, Bernie Williams, Tino Martinez, and Ramiro Mendoza. Accompanied by a letter of authenticity from PSA/DNA. In fine condition, with some mild handling wear. Auction LOA Steve Grad/PSA/DNA and R&R COA.