The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
H. Treiber M. S. Hildesheimer. No. 5219. 1905
Fondamenta dei Ornesini. Hildesheimer. 1905. B. Hopkins
The Cathedral. Anvers. S. Hildesheimer. Bill Hopkins Collection. London Postcard Centre
Old Postcard. Snow in the Woods. Hildesheimer. No 5272. 1905. B. Hopkins
Painting. Mountains. House. Trees. S. Hildesheimer. No. 5272. Bill Hopkins Collection
Utrecht. S. Hildesheimer. 1908. B. Hopkins
Old Postcard. A Dog Hunting. Hildesheimer. 1903. B. Hopkins
Old Postcard. Woman. Hildesheimer. 1903. B. Hopkins