The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Le Caire. Mosque Sultan Hassan. The Cairo Postcard Trust. Serie 207
Cairo. Mosque Sultan Hassan. The Cairo Post Card Trust. Serie. 640
Cairo. General View Showing Sultan Hassan Mosque. The Cairo Postcard Trust. Serie. 597
Cairo. The Mosque of Sultan Hassan. 103. L. Scortzis. Caire. La Mosquee de Sultan Hassan
Cairo. Mosque St. Sultan Hassan. The Mosque of Sultan Hassan. L. Scoitzis. No. 451
Cairo. The Mosque of Sultan Hassan. Lehnert and Landrock
83. Cairo. Mosque of Sultan Hassan. The Pulpit. LL. Levy Fils. Le Caire. Mosquee du Sultan Hassan. Niche et la Chaire. LL
Cairo. The Mosque of Sultan Hassan. L. Scortzis. No. 103