The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Furth. i. B. Hauptbahnhof. Hubert Knappe
Osnabruck. Hauptbahnhof. Hubert Knappe
Duisburg. Stadtautobahn am Hauptbahnhof. Hubert Knappe
Duisburg. Am Hauptbahnhof. Hubert Knappe
Grusse aus Dusseldorf. Hubert Knappe. Multi View
Gruss aus Dusseldorf. Hubert Knappe. Multi View
Deutschland. Munster in Westfalen. Dom. Hubert Knappe. Dusseldorf. 1967. Postcard
Monchengladbach. Bunter Garten. Hubert Knappe. Dusseldorf
