URSS
Prezentat acum: URSS - Timbre poştale (1923 - 1991) - 1 timbre.
1966
International Hydrological Decade
12. Octombrie WM: Niciunul Marimea foii: 20 Design: B. Trifonov Perforare: 11¼
![[International Hydrological Decade, Tip DGT]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/DGT-s.jpg)