The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Canada. Niagara falls. Aerial View of American Falls. Jordan Color Lab
Canada. Niagara Falls. Aero Cable Car Crossing the Whirpool. The Post Card and Greeting Card Co. 1929
Canada. Niagara Falls. Aero Cable Car Crossing the Whirlpool. Lands of the Maple. Post Card and Greeting Card Co. Canada Series
Canada. Niagara Falls. An Aerial Panoramic View of Niagara Falls With Rainbow Bridge. F. H. Leslie. Souvenir Agencies. 1959
Canada. Niagara Falls. Aero Car. Royal Specialty Sales. Plastichrome
Canada. Ontario. Niagara Falls. Aerial View of the American and Canadian Horseshoe Falls. Royal Specialty Sales. 1981
Canada. Ontario. Niagara Falls. Aerial View of Canadian Horseshoe Falls. Royal Specialty Sales. Plastichrome by Colourpicture. Gordon Counsell
Greetings From Incomparable Niagara Falls. Canada. Niagara Post Card. Mike Roberts. Multi View