The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Postal Notice No. 18 showing arrangements for sending mail to Nares Arctic Expedition by yacht Pandora. Post Office Archives Postal Notice Collection. National Postal Museum. Clement and Foster Printers. London
London. National Postal Museum. Postal Notice No. 18 of 1876. Post Office Archives Postal Notice Collecion. Clement and Foster Printers. Exhibition stamp 1990
Postal Notice No. 18. of 1876. Polar Expedition. Despatch of Mails For. Polar Ships Alert and Discovery. National Postal Museum
Postal Notice No. 2. of 1840. Notifying the Change in the Port of Departure for North American Mails. National Postal Museum
Postal Notice No. 2. of 1840. Notifying the Change in the Port of Departure for North American Mails. National Postal Museum. 1990
Nouvelliste Vaudois. Journal Liberal Democratique. PM. St. Laurent
Edinburgh London Royal Mail. c. 1836. Based on a Design by John Waude. this Style of Mail Coach Represented the Culmination of Fifty Years of Mail Coach Development. Richard Blake and National Postal Museum. 1984