The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Duren. Rhld. Museum. Peter Peters. Postcard
Duren Rhld. Museum. Peter Peters
Duren. Rhld. Bahnhof. Peter Peters. 1919
Duren. Rhld. Peter Peters
Duren. Rhl. Peter Peters
Duren. Rhld. Marktplatz. Peter Peters
Duren. Rhld. Joachimskirche. Peter Peters. 1918