The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Round Tower. Windsor Castle. G. 4827. Valentines. RP
Windsor Castle. The Round Tower and Henry II. Tower. Excel Series. RP
Windsor Castle. The Round Tower. Photo Precision. English Series. RP
Berks. Windsor Castle. The Round Tower. or Keep. stands on William the Conqueror earthwork. J. Arthur Dixon
Windsor Castle. The Round Tower and Norman Gateway. Valentine. Valuxe
Windsor Castle. The Round Tower. RP
Berks. Windsor Castle. The Round Tower or Keep. Stands on William the Conqueror Earthwork. J. Arthur Dixon Ltd
The Round Tower. Windsor Castle. RP