The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Kitchen Scene with Christ in the House of Martha and Mary. National Gallery Publications Ltd. No. 1684. Diego Velasquez
The National Gallery. Kitchen Scene. Allegory of Lost Virtue. Antonia de Pereda. Penrhyn Castle. The Douglas Pennant Collection
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
A Girl with a Kitten. National Gallery. Card No. 1014. Jean Baptiste Perronneau
National Gallery. A Winter Scene With Skaters Near a Castle. Avercamp. Hendrick
London. The National Gallery. A Winter Scene With Skaters Near a Castle. Hendrick Avercamp