The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Bordighera. Via Romana. Dr. Trenkler. Postcard. 1903
Luzern. Dr. Trenkler. Postcard. 1906
Pilatuskulm. Dr. Trenkler. Postcard. 1906
Rigi. Kaltbad. Dr. Trenkler. Postcard. 1906
Hamburg. Bismarckdenkmal. Dr. Trenkler. Postcard
Gravenhage. Ridderzaal. Dr. Trenkler. Postcard
Hamburg. Seewarte. Dr. Trenkler. Postcard
Domburg. Weenenk. Dr. Trenkler. Postcard
