The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
The Law Memorial Library. Columbia University. Manhattan Post Card. Plastichrome by Colourpicture. A. Devaney
New York. Library. Columbia University. Detroit Publishing
N. Y. Library. Columbia University. The Ullman Manufacturing. American Post Card. View Number. 3016
New York City. Library. Columbia University. Pictorial Card Company. John Wallace Gillies. No. 5
New York City. Columbia University. Library. Pictorial Company. John Wallace Gillies. No. 5
New York City. The Library of Columbia University. Alfred Mainzer. C. T. Art Colortone
Jerusalem. Jewish National and University Library. Maius. Illustration from manuscript book on calendar. W. Turnowsky. Tel Aviv. Israel. Vintage Card
N. Y. Columbia University. Low Memorial Library. Acacia Card Company
