The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
The Castle. Chester. 14985. Valentines Series
14985. Castle. Chester. Valentines Series
Colchester Castle. Valentines Series. 1915
Colchester Castle. Valentines Series
Chester. The Castle. Valentine Series
Tantallon Castle. Valentines Series. 1918
Lowther Castle. Valentines Series 4306. Post Card
Windsor Castle. Valentines Series. 1904