URSS
Prezentat acum: URSS - Timbre poştale (1923 - 1991) - 1 timbre.
1984
The 27th International Geological Congress
20. Iulie WM: Niciunul Marimea foii: 50 Design: E. Egorov Perforare: 11½
![[The 27th International Geological Congress, Tip GKS]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/GKS-s.jpg)
