The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
England. London. An Aerial View of Buckingham Palace. Halcyon of Bushey
London. Aerial View of Buckingham Palace. John Hinde. Aerofilms
London. Aerial View of Buckingham Palace. Kardorama. John Hinde. Aerofilms. 1982
London. Aerial View of Buckingham Palace. Aerofilms Ltd. John Hinde Ltd. Kardorama. 1995
London. Aerial View of Buckingham Palace. RP
Buckingham Palace. Photo Precision Limited. Text View Series
Good Luck From London. Buckingham Palace. British Production. Multi View
Good Luck From London. Buckingham Palace. Excel Series. RP. Multi View