A rare piece of memorabilia from Roger Federer's historic career is on the auction block -- the racket from his 2004 Wimbledon victory ... which features a personalized autograph for his longtime friend and fashion icon Anna Wintour.
The Wilson nCode pro stock racket was used when Federer defeated Andy Roddick in four sets to secure his second title at the All England Club ... and is complete with all of the tennis legend's preferred customizations.