Roger Clemens Signed Autographed May 1991 Sports Illustrated Magazine Red Sox JSA COA Guardians this helmet showcases the Porter

this helmet showcases the Porter family's dedication to football and the game they love

This authentic autograph has been authenticated by James Spence (JSA)

this original autograph piece is a rare find

making it a valuable item for any collector

The signed jersey is perfect for any baseball fan or collector

Roger Clemens Signed Autographed May 1991 Sports Illustrated Magazine Red Sox JSA COA Guardians this helmet showcases the PorterThis is a rare and valuable May 1991 Sports Illustrated magazine that features the signature of legendary baseball player Roger Clemens. The magazine is an original, authentic piece that has been authenticated by James Spence Authentication (JSA) and comes with a certificate of authenticity. The magazine is a must have for any avid collector of sports memorabilia and features Clemens in his Boston Red Sox uniform. This is a great opportunity to own a