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 City. The Library of Columbia University. Alfred Mainzer. C. T. Art Colortone
New York. Library. Columbia University. Detroit Publishing
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
A Cupid. There a heart for everyone. The Ullman Manufacturing Company. Valentine Series. Number 73. 1908
Niagara. Great Gorge Route. The Ullman Manufacturing Co. Ullman Gold Border Series. View Number 3034
Birthday Greetings. The Ullman Manufacturing. Congratulation. Series. No. 131. American Post Card