The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Gersau. Photoglob. No 5811
Gersau. Photoglob
o 5811. Gersau. Photoglob. Zurich. 1936
Gersau am Vierwaldstattersee. Photoglob. 1955
Gersau. No. 31375. Photoglob
Gersau. Hotel Muller. Photoglob
Gersau mit Pilatus. 6026 Photoglob Wehrli A. G. 1960