Roger Clemens signed NY Yankees 1999 Sports Illustrated magazine JSA

Complete 1999 Sports Illustrated (Chin Music) autographed in black Sharpie on the cover by former New York Yankees superstar pitcher Roger Clemens. RARE Newsstand ISSUE with NO SUBSCRIPTION ADDRESS. Superb condition for being 20+ years old. Obtained in person at celebrity golf tournament many years ago, authenticated by JSA with their matching numbered sticker on the cover and certificate of authenticity card. ONLY ONE AVAILABLE FOR SALE.