The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Cairo. Opera Square and Ibrahim Pacha Monument. The Cairo Postcard Trust. Serie 597
Cairo. Opera Square and Ibrahim Pacha Monument. The Cairo Postcard Trust. Serie. 597
Cairo. Opera Square and Ibrahim Pacha Monument. Serie 597
Cairo. Opera Square. Serie 204. No 29127
Cairo. Opera Square. Levy et Neurdein Reunis. No 17
140. Cairo. Opera square. Le Caire. Place de lOpera
Cairo. Opera Square. Le Caire. Place de l Opera. LL. 18. Levy Fils et Cie. Paris
No. 52. Opera Square. Cairo. Zogos. Egypt
