A letter that might appear to be from the organisers of the Natural Stone Show in London but is not is being sent to exhibitors from a company in Austria asking for information for a catalogue. But firms who respond to it are committing themselves to paying 71,000 a year for the next three years.

Natural Stone Show Director Richard Bradbury says exhibitors are not charged for their entries in the official Show Catalogue. And he points out that the official catalogue is guaranteed to reach the people exhibitors want to reach.