The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Llangollen. Horseshoe Pass. E. T. W. Dennis and Sons Ltd. Photocolour. 1975
Llangollen. Horseshoe Pass. E. T. W. Dennis and Sons Ltd. Photocolour
Horseshoe Pass. Llangollen. Dennis
Llangollen. Horseshoe Pass. E. T. W. Dennis. Scarborough