Erik Boeré Philatelie : Timbre de vânzare - URSS
Prezentat acum: URSS - Timbre poştale (1923 - 1991) - 2 timbre.
Septembrie WM: Niciunul Marimea foii: 100 Design: A. Mandrusov Perforare: 12¼
![[The 75th Anniversary of the Birth of S. A. Chaplygin, Tip UN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/UN-s.jpg)
Septembrie WM: Niciunul Marimea foii: 100 Design: A. Mandrusov Perforare: 12¼
![[The 75th Anniversary of the Birth of S. A. Chaplygin, Tip UN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/UN-s.jpg)