The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Hamburg. Zeughausmarkt. B. Hopkins
Coln a. Rh. Neumarkt. B. Hopkins
Koln. Waidmarkt
Koln. Waidmarkt. Serie Iris. J. W. B. No. 163
London. St. Thomas Hopital. J. Hopkins. Westminster Bridge Road. 1909
Koln. Kosmos. B. Hopkins
Koln. Flora. B. Hopkins
The Golden Gate from the Top of the Mark. Hotel Mark Hopkins. San Francisco. Gno. D. Smith
