The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
London. St. Pauls Cathedral. Photochrom. 1950
London. St. Pauls Cathedral. Photochrom. No 11
London. St. Pauls Cathedral. Photochrom. Celesque. No 30691
London. St. Pauls Cathedral. Photochrom. No 30691
London. St. Pauls Cathedral. Photochrom. Celesque
London. St. Pauls Cathedral. Photochrom. No 30691. 1936
London. St. Pauls Cathedral. Photochrom. No 30691. 1923