The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Sanatorium Herrmann. Inh. E. W. Hermann. Bad Mergentheim. Cramers. 1984
Al Hayat Helouan
Fairlight Sanatorium Hastings. Lofthouse Crosbie and Co. 1915
Merkur Sanatorium Havs Novy. St. Radegund. 73 102. W. Kramer. Leonar. Walter Kramer
Al Hayat. Helouan. C. Wuttke. Postcard
Sanatorium Hohenfreudenstadt. Muller
Sanatorium Hochzirl. 1716. Tiroler Kunstverlag. 1951
Sanatorium Hochberg. Urach. Richard Schmid