Original brand new men's size XL T-shirt from the 1999 Tour Championship in Houston autographed in black Sharpie on the back by PGA Tour superstar Phil Mickelson under his name. Authenticated by JSA with their matching numbered sticker on the collar tag and certificate of authenticity card. This tournament was won by Tiger Woods, and the late Payne Stewart, who would have qualified and whose name is listed on the back, was honored. ONLY ONE AVAILABLE FOR SALE.