The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Dusseldorf am Rhein. Konigsalle. Rahmel. 1985
Dusseldorf. Konigsallee. Klaus Rahmel. Multi View
Dusseldorf. Konigsallee. August Gunkel. Nr. 1667
Dusseldorf. Konigsallee. Hubert Knappe
Gruss aus Dusseldorf. Konigsallee. Hubert Knappe. Multi View
Dusseldorf Konigsallee. Postcard
Dusseldorf. Konigsallee. Hubert Knappe. Nr. 15. RP
Dusseldorf. Konigsallee. Grusskarten