The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Carnarvon Castle. Queens Gate Interior. Office of Works. No 12
Carnarvon Castle. Queens Gate Interior. Office of Works. John Swain
Caernarvon Castle. Queens Gate Interior. Rembrandt Intaglio Printing. H. M. Office of Works
Carnarvon Castle. Queen Gate Exterior. H. M. Office of Works. 1935
Carnarvon Castle. Queens Gate and Watch Tower. Photochrom. 1905
Carnarvon Castle. Queens Gate Watch and North East Towers. H. M. Office of Works. The Vandyck Printers. 1932
6. Carnarvon Castle. Queens Gate Watch and North East Towers. H. M. Office of Works. Photogravure by The Rembrandt Intaglio Printing
Carnarvon Castle. Queens Gate Watch and North East Towers. The Vandyck Printers. H. M. Office of Works