The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Cologne on the Rhine. Cathedral West Side. Holzermann. 1921
Cologne on the Rhine. Cathedral. South Side. Suhwold
Cologne on the Rhine. Cathedral. South Side. Ed. Holzermann
The Cathedral western side. Koln a. Rh. Cologne. WWR
Cologne on the Rhine. Cathedral Illumination. Suhwold
Cologne. on the Rhine. Cathedral. Horst Ziethen
Cologne on the Rhine. Cathedral Illumination. Suhwold. 1959
Cologne on River Rhine. The Cathedral. South Side. Suhwold Verlag. Nr. 5007. Elisabeth Sorge
