URSS
Prezentat acum: URSS - Timbre poştale (1923 - 1991) - 1 timbre.
1975
The 9th International Irrigation Congress
23. Mai WM: Niciunul Marimea foii: 50 Design: Yu. Ryakhovsky Perforare: 11½
![[The 9th International Irrigation Congress, Tip EWP]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/EWP-s.jpg)
