A typewritten signed Gandhi letter, written during his detention in India by the British government, is coming to auction on February 14 in the UK, with a £15,000 ($23,600) high estimate.

Written in 1943 to the additional secretary of the Indian government, it discusses Gandhi's continuing belief in seeking independence for India via peaceful processes.

It has been a strong 12 months for Gandhi artefacts at auction

The auction house's historical documents expert, Richard Westwood-Brookes, explained that the letter "signifies Gandhi's desire to achieve a diplomatic strategical struggle for independence and eventual successful establishment of the state of India."

We're anticipating a strong performance from the letter, although had it been handwritten it would have been valued far higher.

A handwritten signed letter from Gandhi, written from prison in the days before his great trial in 1922, sold at Sotheby's for £49,250 ($79,489) in December, beating its £7,000 high estimate by 603.5%.

Blood-soaked soil from Gandhi's assassination site sold for £10,000 ($15,750) in April.

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