The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Animals
Write Soon or You re History. Hallmark Cards. No. 4
Hall of Human Biology. An Exhibition of Ourselves. British Museum Natural History 1977. Card HB1
Hall of Human Biology. The snail went faster than the dog. An Exhibition of Ourselves. The British Museum. Natural History. 1977. Card HB4
Happy Thoughts. Hallmark Historical Collection. Eighty Years of Caring. 1910 1990
Just Out. Hallmark. Eighty Years of Caring. 1910 1990. Hallmark Historical Collection. Res. Photo. Chicks
Heartiest Greetings. I hold no treasure rarer. Hallmark. Eighty Years of Caring 1910 1990. Hallmark Historical Collection. Res. Photo
British Museum. Natural History. Black Headed Gull. A. Nestling. B. Immature. C. Adult in Winter. D. Adult in Summer. Waterlow. H. Gronvold
Heartiest Greetings. I hold no treasure rarer. From the Hallmark Historical Collection
