The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Wien I. Ring des 12. November. 24203. P. Ledermann. 1927
Wien I. Parlament. Ring des 12. November. Burgtheater. P. Ledermann
Wien I. Hotel de France. Schotten Ring. K. Ledermann. No. 3. 1906
Wien. I. The Schubertring. P. Ledermann
Karntner Ring. Wien I. Opern Ring. 16222. P. Ledermann. 1922
Wien. Ring des 12 November. No 20
Wien Ring des 12. November. 26950. Postiag
Wien I. Ring des 12. November. Grapha. No. 032 25
