The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Rhuddlan Castle. Valentine. 1922
Rhuddlan Castle. Valentine. Postcard
Rhuddlan Castle. Valentine Series
Rhuddlan Castle. 18720. Valentines Series. 1921
Scarborough Castle. Valentine. 1918
New Bridge. Barnard Castle. Valentine. 1919
Cardiff Castle. Valentine. 1918
Ford Castle. Valentine. 1915