The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Durham Cathedral. Dun Cow. A. Rutherford. Frith Series
Durham Cathedral. Dun Cow. F. Frith. No. 9434 A
Durham Cathedral. Frith. 1903
Durham Cathedral. F. Frith. No. 30732
Durham Cathedral. F. Frith. No. 50001. 1906
Durham Cathedral. F. Frith. No. 16117
Durham Cathedral. Friths Series. No. 50001