The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
National Gallery. Official Series No. 20. Leonardo da Vinci. Virgin of the Rocks. The Medici Society
National Gallery. Official Series No. 18. Bellini. Doge Leonardo Loredano. 189. B. Matthews. 1946
National Gallery. Official Series No. 18. Giovanni Bellini. Doge Leonardo Loredano. 189. Rembrandt Photogravure
London. The National Gallery. Official Series. No. III. The Medici Society
National Gallery. Official Series No. III. The National Gallery. London. The Medici Society
National Gallery. Official Series No. 219. Crome. A Windmill on Mousehole Heath. 926. B. Matthews
Madonna in Prayer. Sassoferrato. National Gallery. Official series 26
Dona Isabel Cobos de Porcel. Goya. National Gallery. Official series 52.
