The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Koln. Panorama. Leo Kurten. Postcard
Koln. Panorama. Verlag. Leo Kurten. Postcard
Koln. Panorama. Leo. Kurten
Koln. Dom. Leo Kurten. Postcard
Koln a. Rh. Panorama. Leo Kurten. No 29
Koln a. Rhein. Panorama. Leo Kurten
Coln a. Rhein. Der Dom. Leo Kurten. Postcard
Koln. Am Bollwerk. Leo Kurten. Postcard