URSS
Prezentat acum: URSS - Timbre poştale (1923 - 1991) - 1 timbre.
1969
The 100th Anniversary of Mendeleev's Periodic Law of Elements
20. Iunie WM: Niciunul Marimea foii: 15 Design: V. Pimenov Perforare: 12¼ x 12
![[The 100th Anniversary of Mendeleev's Periodic Law of Elements, Tip DUO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/DUO-s.jpg)
