The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
National Gallery. The Rape of the Sabine Women. Card No. 1359. Peeter Pauwel Rubens
National Gallery. The Rape of Helen. Gozzoli. Waterlow. Card No. 1112
National Gallery. The Woman taken in Adultery. Merritt and Hatcher. Card No. 1263. Rembrandt van Rijn
London. The National Gallery. Raphael. The Pope Julius II. LL. 295
London. Trafalgar Square. Prison Monument. The National Gallery. Raphael Tuck and Sons. Oilette. Postcard 7857. 1923
London. The National Gallery. Saint Dorothy and the Infant Christ. Francesco di Giorgio
The National Gallery. Saint Jerome in His Study. Antonello da Messina
The National Gallery. The Raising Lazarus. Sebastiano. Del Piombo