The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Coln a. Rh. Rheinufer. Heiss and Co. Graph Kunstanstalt. Coln. Lindenthal
Coln a. Rh. Hafen. Heiss. Graph. Kunstanstalt. Coln Lindenthal
Coln a. Rh. Hauptbahnhof. Heiss. Graph. Kunstanstalt
Coln a. Rh. Die neue Hangebrucke. Heiss. Graph. Kunstanstalt
Coln a. Rh. St. Severinstor. Heiss
Coln a. Rh. St. Severinstor. Heiss. 176
Coln. a. Rh. St. Severinstor. Heiss. Nr. 176
Coln a. Rh. St. Severinstor. 176. Heiss
