Ms Kambites accepts that some of that is true, and explains how a budget supermarket once refused to allow a Fairtrade stall because its customers might be concerned about paying over the odds for inferior coffee.

BBC: Free marketeers attack Fairtrade principle

The new stall will resemble its original penny bazaar of the 1800's and is expected to sell coffee, branded gifts and merchandise.

BBC: Marks and Spencer to open new stall at Kirkgate Market