The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
New York City. Westside Skyline and Empire State Building. Alfred Mainzer
New York City. West Street Building. Century Post Card and Novelty
New York City. Gleaming West Side Skyline at Sunset. The Hudson River Waterfront. Alma. Alfred Mainzer. 1998
New York City. East Side Skyline. Alfred Mainzer Inc. 1989
Summer. The Lower East Side. New York. Weegee. Fotofolio. galerie Zabriskie
Aerial View to Lower New York City. Seal Co. 1949
Rockefeller Center. New York City. Seidman Photo Service
New York City. Upton Skyline Showing Empire State Bldg. and R. C. A. Bldg. Manhattan Post Card Pub. Plastichrome