The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Interior and Altar. St. Martin in the Fields. Trafalgar Square. London. Dixon
St. Martin in the Fields. The Altar and East Window. Photochrom
St. Martin in the Fields. The Altar and East Window. V3056. Photochrom
The High Altar. St. Martin in The Fields. Tuck. Finlay Colour Photograph
St. Martin in Fields. Trafalgar Square. London. 209371. Valentines. RP
St. Martin in Fields. London. H. 3972. Valentines. RP
London. St. Martin in the Fields. Trafalgar Square. Valentine. RP
London. St. Martin in the Fields. Valentine. RP