Rare Sherlock Holmes first edition sells for £11,520 at London auction

An exceptionally rare first edition of Arthur Conan Doyle's classic detective novel 'The Sign of Four' has sold for £11,520 at Bonhams auction house in London, after being discovered in an unexpected location. The 1890 publication surfaced among book donations received by an Oxfam charity shop, where staff members recognised its potential significance and sought professional appraisal. The assessment confirmed the book's rarity and considerable value in the collectors' market. The successful sale highlights how valuable literary treasures can sometimes be overlooked in everyday circumstances. Oxfam confirmed that all proceeds from the sale will be directed towards supporting its humanitarian programmes worldwide, demonstrating how careful evaluation of charitable donations can generate substantial funds for charitable causes. The discovery underscores the importance of expertise in identifying rare and valuable items within charity shop collections.