The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Richmond Castle. Great Northern Railway. Castle Series. Photochrom. 1909
Richmond Castle. Great Northern Railway. Castle Series. Alan Rufus. Photochrom
Richmond Castle. Great Northern Railway. Photochrom
Brancepeth Castle. Great Northern Railway. Castle Series
Barnard Castle. Photochrom. Great Northern Railway Castle Series. 1908
Bamborough Castle. Great Northern Railway Castle Series. Photochrom. PM. Brighton. 1908
Raby Castle Great Northern Railway. GNR. Photochrom. 1908
Raby Castle. Great Northern Railway. Photochrom Co. Ltd. Castle Series
