The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Mainz. Ottmar Zieher. Postcard
Boppard. Perle des Rheins. Multi view Postcard. Ottmar Zieher. 1937
Comics Postcard. Ottmar Zieher. Postcard. 1913
Remagen. Apollinariskirche. Ottmar Zieher. Postcard
Bad Nauheim. Ottmar Zieher. Postcard. 1906
Bingen. Ottmar Zieher. Postcard
Bingen. Burg Klopp. Ottmar Zieher. Postcard
