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To avoid the congestion charge the fairs are held on Sundays at the Royal National Hotel, Woburn Place, London SW1. Tel: 020 8203 1500.

At the fair this Sunday, September 24, Flitwick, Bedfordshire-based postcard dealer Eric Kent will be bringing some of the Donald McGill postcards in which he specialises. Tel: 01525 752222. More Donald McGill postcards will be at Tennants Auctioneers on Monday September 25 when a private collection of original artwork by Donald McGill (1875-1962) and sold by a private vendor in York who recently inherited them, comes up for sale and is expected to fetch more than £50,000. Tel: 01423 531661.