The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Volendam. Dr. Trenkler
Volendam. Dr. Trenkler. 1908. 1909. Vol. 42
Volendam. Dr. Trenkler. D. T. C. Ser. 158. 6
Costume Volendam. Dr. Trenkler. Series 1002. 2
Volendam Hondenkar. Dr. Trenkler
Volendam. Windmills. Dr. Trenkler. 1906. Multi View
Volendam. The woman washes the dishes. Woman knits. Dr. Trenkler
Volendam. A man with a small child in his hands. Next to the girl. Dr. Trenkler. Postcard