The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Cairo. Tombs of the Kalifs. Le Caire. Tombeaux des Kalifes. B. B
Cairo. 96 Tombs of the Kalifs. B. B. Le Caire. 96. Tombeaux des Kalifes
Caire. Vue de tombeaux des Khalifs. The Cairo Postcard Trust
Tombeaux des Khalifs. The Cairo Postcard Trust. Serie No. 23
Caire. Tombeaux des Kalifs. Ephtimios Freres
Le Cairo. Tombeaux des Khalifs. L. and H