URSS
Prezentat acum: URSS - Timbre poştale (1923 - 1991) - 1 timbre.
1927
First International Airmail Congress
1. Septembrie WM: Niciunul Marimea foii: 80 Design: O. Amosova Gravură: litho Perforare: 12½ x 12
![[First International Airmail Congress, Tip Z]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/Z-s.jpg)
![[First International Airmail Congress, Tip Z1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/Z1-s.jpg)
