The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Mozart. Max Sinz. 1904
Franz Liszt. Max Sinz. 1904
Richard Wagner. Max Sinz. Nr. 1. 1905
Ruysdael. Die Jagd. Dresden. Max Sinz. No 19. 1911
Friedrich der Grosse. Max Sinz
Mendelssohn. Max Sinz
The Sands. Blackpool. Max Ettlinger. The Royal. 1905
Das Bergische Land. Am Ritten Kotten. Max Biegel. No. 3129. 1905