The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Carnegie Public Library. Washington. D. C. Columbia Card
Carnegie Public Library. Vallejo. California. Edward H. Mitchell
Carnegie Public Library of East Liverpool. Ohio
3602. Carnegie Public Library. Oklahoma City. Okla. C. t. Chicago
Colorado. Denver. Carnegie Public Library. Elmer C. Clark. E. C. Kropp
6460. Carnegie Public Library. Cedar Rapids. Iowa. A. C. Bosselman
King Lynn. The Carnegie Public Library. Jarrolds Series No. 2137
New York Public Library. Manhattan Post Card