The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Durham Castle. Cathedral. Dennis Sons. Scarborough
Durham Cathedral and Castle. Dennis
Durham Cathedral and Castle. D.2006. Dennis
Durham Cathedral and Castle. D.2006. Dennis. 1971
Durham Cathedral and Castle. E. T. W. Dennis
Durham Cathedral and Castle. E. T. W. Dennis. Photocolour