There is also a 5 Mark value in gray-green. The labels would have been issued around 1918 or later.
Davos Dorf is one of 2 sections of the city of Davos (the other being Davos Platz). The sanitorium at Davos was renowned for its success in treating patients with tuberculosis. Robert Louis Stevenson completed writing "Treasure Island" during a stay there, and Thomas Mann was inspired to write "The Magic Mountain," during the time he was there, while his wife was being treated.
The German Warrior Sanitorium was established in 1918 to treat World War I soldiers with lung ailments from tuberculosis or poison gas.
