The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Windsor Castle. The Round Tower. Pictorial Stationery. London. Platino Photo. Peacock. 1905
Windsor Castle. The Round Tower. Photo Precision. English Series. RP
Windsor Castle. The Round Tower. Photochrom. No 33203
Windsor Castle. The Round Tower. Postcard
Windsor Castle. The Round Tower. Photochrom. 1948
Windsor Castle. The Round Tower. The Photographic Greeting Card. Natural Colour Series
Windsor Castle. The Round Tower. Photochrom
Windsor Castle. The Round Tower. The Photographic Greeting Card. Natural Colour Photo Series