The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Durham. Multi view. Valentine. Silveresque. No 224643. 1950
Durham. Multi view. Valentine. Photo Brown. No 224644
Durham. Multi view. Valentine. RP. 1951
Durham. Multi view. Valentine. Phototype
Durham. Multi view. Valentine. RP
Durham. Valentine. Postcard. RP. Multi View
Durham. Valentine. Postcard. RP. Multi View. 1958