Only handwritten draft of Sir Arthur Conan Doyle's second Sherlock Holmes novel The Sign of Four is set to fetch up to £1million at auction as experts hail 'exceptionally rare piece of history' : vimarsana.com
The 'exceptionally rare' 1889 manuscript of The Sign of Four is estimated to sell for up to $1.2 million (£949,000) as part of an auction held in New York by Sotheby's.