The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
National Gallery. Winter Scene. Goyen. Card No. 1154. Waterlow
National Gallery. Winter Scene. Waterlow. Card No. 1029. Avercamp
National Gallery. A Winter Scene. Henry Stone and Son Ltd. No. 1029. Avercamp. Hendrick
National Gallery. Avercamp. Winter Scene. Waterlow and Sons Limited. Card No. 1029
Netherlandish School. Landscape. River Scene. National Gallery. Trustees under the authority of Her Majesty Stationery Office by Waterlow and Sons Ltd. London
National Gallery. River Scene with State Barge. Cappelle. Jan Van De. No. 1132
National Gallery. River Scene With State Barge. Waterlow and Sons Limited. Cappelle. No. 1132
National Gallery. River Scene with State Barge. Cappelle. Jan van de. Waterlow and Sons Limited. No. 1132