The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Lincoln Castle. Walls and Observatory Tower. J. Salmon. Sevenoaks. Kent. England
Lincoln Castle And Observatory Tower. 19926. Walter Scott. RP. Post Card. 1958
Lincoln Castle. Observatory Tower. Mostly Fourteenth Century. Beric Tempest
Lincoln Castle. Observatory Tower. Beric Tempest
Lincoln Castle. Observatory Tower. Salmon
Lincoln Castle. Observatory Tower. J. Salmon. Sevenoaks. Kent. England
The Observatory Tower and Castle Hill Square. David Cuppleditch. Lincolnshire Recreational Services. Charles Skilton and Fry
Castle and Walls Lincoln L C Series
