The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
The Crew of a Coastal Command Flying Fortress Being Briefed. Sackville
The crew of a Coastal Command Flying Fortress being briefed. 1943. Imperial War Museum. Sackville Press
Boeing B17G Flying Fortress. The Mainstay of the U. S. A. F. Photo Precision. St. Ives. Huntingdon. Collector Series. Colourmaster International
Boeing B 17 G. Flying Fortress. This B. 17 Still Flies Regularly From It Duxford. Cambs. Base. Photo Precision Limited. Colourmaster International. Collectors Series. 1 20
Ploumanach. The Ranolien campsite and the coastal footpath. Jos
B. 17. G. Model Flying Fortress Called Sally B. Thought Factory. No. 71
The Festival City of Salzburg. View to the Cathedral the Fortress and the Untersberg. MM. Verlag
The Festival City of Salzburg. The Mirabell. Garden with the Cathedral and the Fortress. MM