The hat, which was worn by Michael Jackson when he sang Billie Jean on the most watched TV special, is set to be auctioned off at West Midlands auctioneer Fieldings.
The trademark black fedora, which was worn by the late singer at the 30th Anniversary Special concerts in New York in 2001, is among 17 items of the King of Pop's memorabilia put up for auction by pal David Gest, the Mirror reported.
The signed hat has a guide price of 2,000 pounds-3,000 pounds.
