The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
London. St. Pauls Cathedral. Hartmann. Postcard
Bangor Cathedral. Hartmann. Postcard
Chester Cathedral. Hartmann. Postcard
S. W. Durham Cathedral. Postcard
Durham Cathedral. Postcard
Durham Cathedral. Postcard. 1903
Durham Cathedral. Postcard. 1907