Harry Potter's Hogwarts letter up for auction

Harry Potter's acceptance letter to Hogwarts School of Witchcraft and Wizardry is being auctioned online.

The letter was used in the film version of Harry Potter And The Philosopher's Stone.

It is being auctioned to raise money for the Starbright Foundation for children facing life-threatening illnesses.

The auction also includes boxing gloves signed by Muhammad Ali and an autographed book and CD from Sex and the City actress Sarah Jessica Parker.

The auction runs until November 12 and fans can bid at www.ebay.com/wiredauction.

Other items include tickets to the premiere of Star Trek: Nemesis and photos taken by astronaut Buzz Aldrin.