An old chair in which the author of one of the most popular children's series in history sat while she was writing the first two books is going up for auction.

The second-hand chair used and painted over by Harry Potter author J.K. Rowling will be sold by Heritage Auctions.  It comes with a letter from the author certifying its importance to her.

The bidding has begun at $65,000.  The live auction begins online today.


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