The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Round Tower. Windsor Castle. Salmon. RP
The Round Tower. Windsor Castle. Salmon. No 4139
The Round Tower. Windsor Castle. Salmon
Windsor Castle. The Round Tower. J. Salmon
Windsor Castle. The Round Tower. J. Salmon. Sevenoaks. C. T. Howard. 1938
Round and Henry III Tower. Windsor Castle. 12561. Salmon
Windsor Castle. Round and Henry III. Towers. J. Salmon. 1948