Offered here is an exceptional circa 1996 rookie year autographed golf ball of Tiger Woods. This golf ball contains a very early career autograph of Tiger Woods before he changed his autograph style in early 1997. But that's not all - this is a used Titleist Pro 90 golf ball (the ball Tiger played early in his PGA Tour career), with a red Sharpie marked through the Model Name (as Tiger was known to do). So while we cannot say for certain that this ball was actually used by Tiger Woods, it makes far more sense to presume this was Tiger's ball than to believe that some fan got Tiger Woods to autograph a used golf ball during his rookie season! 

If you're looking for an early career Tiger Woods signed (and possibly used!) ball, it's hard to imagine a finer ball than the offered example. 

Letter of Authenticity from James Spence Authentication (JSA)