Artwork now most valuable Harry Potter item ever sold - BBC.com
- Artwork now most valuable Harry Potter item ever sold BBC.com
- Original 'Harry Potter' cover art sells for $1.9 mn at auction Daily Mail
- 'Harry Potter' Original Cover Artwork Shatters Record With $1.9 Million Sale Forbes
- Original Harry Potter Book Cover Art Could Sell for $600000 at Auction Antique Trader