The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
The Ladies of Llangollen. Postcard
P 20713 The Ladies of Llangollen. Promise
Unknown Garden. S. R. Martin. Llangollen. Postcard
Llangollen. Postcard. 1921
Llangollen. The Canal. Postcard. 1977
The Ladies of Llangollen. The Photochrom. Celesque Series
Ladies of Llangollen. The Photochrom. Duotype Process Sepia