The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Windsor Castle. The Picture Gallery. P. Harrison. RP
The Picture Gallery. Windsor Castle. Post Card
Windsor Castle. The Picture Gallery
Windsor Castle. The Picture Gallery. F. Frith. No. 75102
Windsor Castle. The Picture Gallery. F. Frith. Reigate. No. 75192
Picture Gallery. Windsor Castle. Tuck