URSS
Prezentat acum: URSS - Timbre poştale (1923 - 1991) - 1 timbre.
1966
Philatelists All-Union Society Conference
10. Martie WM: Niciunul Marimea foii: 25 Perforare: 11¾ x 11½
![[Philatelists All-Union Society Conference, Tip DDO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/DDO-s.jpg)