The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
London. Buckingham Palace. Photochrom Co Ltd
London. St. James Palace. Photochrom. Celesque
Hereford. Cathedral and Bishops Palace. Photochrom. Celesque. 1914
London. St. James Palace. Photochrom. Celesque Series. 1921
London. The Royal Marines at Buckingham Palace. Photochrom. Celesque Series
London. Buckingham Palace. Photochrom Co. Ltd
Peterborough. Bishop Palace. Photochrom. Sepiatone Series. G. C. Caster
Her Majesty Queen Elizabeth II and the Duke of Edinburgh Leaving Buckingham Palace. Photochrom Co. Ltd