Tiny Bronte manuscript that introduces world to Jane Eyre character Bertha goes up for auction

An unpublished story by Charlotte Bronte is expected to sell for £300,000 at auction next month.

The 4,000-word piece is handwritten on 19 pages each barely larger than a credit card and needs a magnifying glass to be read properly.

Written in 1830 when she was only 14, Bronte's story contains scenes which bear a striking resemblance to Jane Eyre, her novel published 17 years later....