The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Barnard Castle. Durham. Times. Photochrom. Castles Of England. No. 14
Durham. The Castle. Photochrom. 1927
Durham. Barnard Castle. The Castle from the North West. W. S. Cowell. Crown. 1969
Co. Durham. Barnard Castle. The Bowes Museum. J. Arthur Dixon. 1970
Co. Durham. Barnard Castle. The Bowes Museum. Portrait of a German Princess. Beric Tempest. Francois Joseph Kinsoen
Co. Durham. Barnard Castle. The Bowes Museum. from Monkey Puzzle Tree Planted 1871. J. Arthur Dixon. Eddie Ryle Hodges
Durham. Barnard Castle. The Castle from the North West. English Heritage