Cehoslovacia
Prezentat acum: Cehoslovacia - Timbre poştale (1918 - 1992) - 1 timbre.
1987
The 125th Anniversary of Union of Czech Mathematicians and Physicists
6. Iulie WM: Niciunul Design: J. Hamza Gravură: vedi francobollo Perforare: 11¼ x 12
![[The 125th Anniversary of Union of Czech Mathematicians and Physicists, Tip CLX]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/CLX-s.jpg)
![[The 125th Anniversary of Union of Czech Mathematicians and Physicists, Tip CLY]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/CLY-s.jpg)
![[The 125th Anniversary of Union of Czech Mathematicians and Physicists, Tip CLZ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/CLZ-s.jpg)
