The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
On the Campus at Ohio State University. Columbus. Ohio. Multi view. W. E. Ayres. 1945
Spring. Ohio State University Campus. Columbus. O. S. F. Harriman. The P. C. K. Series. 1907
Ohio. Columbus. Ohio State University. Smiling Scot. Plastichrome
Aerial View. Michigan State University Campus. Paul Bunyan Card. H. J. Bell. Plastichrome. Colourpicture Publishers
Greetings From Columbus Ohio. State Capital. Aladdin. Plastichrome. Multi View
Ohio. Columbus. State Capitol. A. C. Bosselman. 1906
Columbus. Ohio. Ohio State Capitol. Smiling Scot. Plastichrome. Colourpicture
Conn. New Haven. Yale University. View of the Campus. A. D. Cozzolino. Dexter Press