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Rare Potter book sells at auction -
Summary: Article: Rare Potter book sells at auction
A rare draft copy of "Harry Potter and the Philosopher's Stone" sold at auction for 1,468 GBP or $2,500 USD. This proof copy of the book was considered valuable because of a printing error where the author is credited on the title page as JA rather than JK Rowling.
http://news.scotsman.com/latest.cfm?id=2426911
Thanks to TLC!