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
Carnarvon Castle. Queens Gate Interior. H. M. Office of Works. RP
Caernarvon Castle. Interior Looking West. Rembrandt Intaglio Printing. H. M. Office of Works. 1926
Interior Caernarvon Castle from Queen Eleanors Gateway. RP. 1931
Interior Caernarvon Castle from Queen Eleanors Gateway. Excel. RP. 1954
Interior of Caernarvon Castle from Queen Eleanors Gateway. No 15089
Caernarvon Castle. Queen Gate. Ministry of Public Building and Works. W. S. Cowell. Crown