The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
York. Petergate. 66109. Photochrom. 1933
York Petergate. 66109. Photochrom Co
York. Petergate. Photochrom Co. Ltd. 1947
York. Petergate. Photochrom
York. Petergate. Photochrom. Postcard
York. Petergate. Photochrom. 1957