The paperback was originally published in 1997 and was one of just 5,150 printed with each selling for just £4.99 with many of them handed out to school as part of a book rating scheme.
A rare, error-filled first edition of "Harry Potter and the Philosopher's Stone," including a misspelling of "Philosopher's" and other errors, is up for auction and expected to fetch £3,000. The 1997 paperback was one of 5,150 printed. Another hardback copy sold for £56,000 last year.