The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Rubens. Landscape Sunset. National Gallery. Trustees by Waterlow and Sons Ltd. London
National Gallery. Landscape. River Scene. School of Patinir. Waterlow. Post Card No. 1123
National Gallery. Landscape. River Scene. School of Patinir. Waterlow and Sons Limited. 1942
Edinburgh. The Trustees of the National Gallery. Landscape With Distant View of Cornard Village. Thomas Gainsborough. The Medici Society
National Gallery. Landscape. Marriage of Isaac and Rebecca. Waterlow. Post Card No. 1127. Claude
National Gallery. Landscape. David at the Cave of Adullam. Card No. 1293. Claude
National Gallery. Landscape. The Marriage of Isaac and Rebekah. Card No. 1127. Claude
National Gallery. Landscape. Aeneas at Delos. Card No. 1167. Claude