The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Cairo. General View Showing the Citadel. The Cairo Postcard Trust. Series No. 1218. 6. RP
Cairo. Khalifs Tombs. The Cairo Postcard trust. Serie 629
Tombs of the Khalifs. Cairo
Cairo. The Tombs of Khalifs. B. Livadas and Coutsicos
Cairo. Tombs of the Khalifs
Cairo Tombs of the Khalifs L C 397 Egypt
Cairo. Tombs of Khalifs. The Cairo Postcard Trust. Serie. 597