Polonia
Prezentat acum: Polonia - Timbre poştale (1860 - 2024) - 1 timbre.
1977
The 30th Anniversary of the Scientific and Technical Co-operation between Poland and the Soviet Union
4. Aprilie WM: Niciunul Marimea foii: 30 Design: W. Surowiecki Perforare: 11½:11
![[The 30th Anniversary of the Scientific and Technical Co-operation between Poland and the Soviet Union, Tip CAH]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/CAH-s.jpg)
