Harry Potter book purchased for $1 just sold for more than $37,000—on J.K. Rowling's birthday
10:02am PDT - July 31st, 2019 harry potter birthday - CNBCA rare first-edition copy of J.K. Rowling's "Harry Potter and the Philosopher's Stone" sold for £28,500 ($31,771) to a private collector at a U.K. auction in Staffordshire.