The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
St. Martin in the Fields and National Gallery. J. Arthur Dixon. John R. Edwards
London. St. Martin in the Fields and National Gallery. E. T. W. Dennis
St. Martin in the Fields and National Gallery. London. L. 1658. Dennis
London. Trafalgar Square. National Gallery. St. Martin i the Fields. I. V. P. United Artists
London. National Gallery and St. Martin in the Fields. J. Arthur Dixon. S. E. Punter. 1974
London. National Gallery and St. Martin in the Fields. J. Arthur Dixon. S. E. Punter. 1975
Trafalgar Square Showing the National Gallery and St. Martin in the Fields. Kardorama
London. National Gallery and St. Martin in the Fields. The Photographic Greeting Card. Natural Colour Photo Series. 1965
