Two world records broken after letter by Albert Einstein & first edition of Harry Potter were sold
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Christie's to offer rare first edition 'Harry Potter' book in private sale
London auction house to offer 'rare' first-edition Harry Potter book for private sale
J.K Rowling's handwritten Harry Potter book could sell for up to £150,000
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Christie's to offer rare first edition Harry Potter book in private sale
Harry Potter and the Goblet of Fire
Harry Potter and the ridiculously expensive first edition - Robb Report Australia and New Zealand
Christie's to offer rare first edition 'Harry Potter' book in private sale
The Most Expensive Books Ever Sold (Literary Edition)
Complete Set of Signed Harry Potter First Editions Head to Auction
A copy of Pride and Prejudice sold for £70k': book collectors pay thousands for rare finds
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