£11,500 Sherlock Holmes first edition detected at Oxfam bookshop

£11,500 Sherlock Holmes first edition detected at Oxfam bookshop

A rare first edition of The Sign of Four by Arthur Conan Doyle has been uncovered at an Oxfam bookshop in Shrewsbury, selling for £11,520 at Bonhams auction house after staff pieced together clues about its value. The volume surfaced among routine donations, but the Oxfam team identified tell-tale signs that it was something out of the ordinary. Following a closer examination of its condition, provenance and distinguishing features, the book was…