The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Old Postcard Castle. B. Hopkins. 1910
Courtyard. Chillon Castle. 1911. B. Hopkins
Inverness Castle. 1955. B. Hopkins
Multiview. Oxford. Castle. Unichrome. Bath
Suffolk. Oxford Castle. J. Salmon. Multi View
Oxford Castle Crypt. Frith. 1919
Oxford Castle. The Norman Chapel. RP
Oxford Castle. Empress Mauds Doorway. Daviss