Rāda: Ēģipte - Pastmarkas (1920 - 1929) - 3 marka.
1925
International Geographical Congress, Cairo
1. aprīlis SV: Neviens iegravēt: Survey Department, Cairo. Perforēšana: 11½
![[International Geographical Congress, Cairo, veids AO]](https://www.stampworld.com/media/catalogue/Egypt/Postage-stamps/AO-s.jpg)
![[International Geographical Congress, Cairo, veids AO1]](https://www.stampworld.com/media/catalogue/Egypt/Postage-stamps/AO1-s.jpg)
![[International Geographical Congress, Cairo, veids AO2]](https://www.stampworld.com/media/catalogue/Egypt/Postage-stamps/AO2-s.jpg)
