The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Whitley Bay. St. Mary Lighthouse. Valentine. RP
Whitley Bay. St. Mary Lighthouse. Valentine. Phototype
St. Marys Lighthouse. Whitley Bay. Valentine. Carbotone. No G.3750
St. Marys Lighthouse. Whitley Bay. Valentine. Photo Brown. No 51101
St. Marys Lighthouse. Whitley Bay. Valentine
Whitley Bay. St. Marys Island and Lighthouse. Northumberland. R. B. PM. New Castle on Tyne. 1909
Whitley Bay. St. Mary Lighthouse. Valentines Series. 1923