The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Newark. The Castle Barge and River Trent. E. T. W. Dennis and Sons Ltd. Photocolour. J. Potter
The Castle and River. Newark on Trent. Valentine. RP
Newark Castle and River Devon Ernest Joyce W Skipper Plastichrome Colourpicture Publishers
Newark Castle and River Devon. Ernest Joyce. Plastichrome. W. Skipper. 1964
Newark on Trent. The Castle. River Devon. Friary Gardens. A. W. Bourne. Multi View
Newark Castle and Trent Bridge. Postcard