The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Kenilworth Castle. The Great Hall. Interior. Ministry of Works. Crown
Azelias and Wild Hyacinths at Inveraray Castle. the Home of the Duke of Argyll. Wm. S. Thomson. 1953
Warwick Castle. The Great Hall. John Hinde
Warwick Castle. The Great Hall. E. Nagele. Hinde
Berkeley Castle. The Great Hall. English Life Publications
Warwick Castle. The Great Hall. Walter Scott. The British Travel and Holidays Association
Warwick Castle. The Great Hall. Judges. C 15234 X. John Wright
Durham Castle. The Great Hall. J. Arthur Dixon