The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
South Front With Main Entrance. Colchester Castle. The Colchester Corporation
Colchester and Essex Museum. Colchester Castle. The Great Staircase in the Norman Keep. 12 th century A. D. English Life Publications
Colchester Castle. Entrance to Dungeons. The Colchester Corporation. Sanbride
Colchester Castle. Entrance to Dungeons
Colchester Castle. Entrance to Dungeons. Colchester Corporation. 1932
Colchester and Essex Museum. Colchester Castle. English Life Publications. Charles Seely