The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Ottawa. National Museum of Canada. Black Bellied Plover. Bird. Series. A. No. 15. Allan Books
This Card Shows the 1d Black. 1840 and the 20c Ceres Black. National Postal Museum. London. The House of Questa
The Little Black Dog. I wonder if Christ had a little black dog. Anon. The National Equine. Defence League. Blackwell. Carlisle. England
Mt. Rainier National Park. Black Bear. Rainier National Park Co. Bob and Ira Spring
Black Canyon National Monument. Located Between Gunnison and Montrose. Plastichrome by Colourpicture. G. R. Dickson
This card shows the 1 d Black. The House of Questa. National Postal Museum
Postal Reform and the Penny Black. Charles Fenton Whiting proposed go free. Clement and Foster Limited. National Postal Museum
