The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Lincoln. The Castle. F. Frith. Postcard. 1950
Newark Castle. F. Frith. Postcard. 1955
Lincoln. The Castle. F. Frith. Postcard. 1953
Skipton Castle. Gateway Skipton Castle. Postcard
Skipton Castle. Postcard
Windsor Castle. F. Frith. Postcard. 1905
Bolton Castle. F. Frith. Postcard
Caernarvon Castle. F. Frith. Postcard