Bob Gibson Signed Proof Sheet Uncut 11x17 Baseball Auto Skybox RARE + 11 HOF JSA

**This is an uncut proof sheet of Skybox baseball cards from 2005. The proof sheet measures 11” x 17” and is signed by 12 Hall of Famers. Each player signed their respective card for approval, and Bob Gibson made a modification to the first name on his card! Signatures include Bob Gibson, Nolan Ryan, Mike Schmidt, Johnny Bench, Lou Brock, Dennis Eckersley, Carlton Fisk, Reggie Jackson, Al Kaline, Bill Mazeroski, Willie McCovey & Jim Palmer. Comes with a fully detailed Letter of Authenticity (LOA) from JSA.**

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