Чехословакия
Сейчаc отображается Чехословакия - Почтовые марки (1918 - 1992) - 1 марки.
1987
The 125th Anniversary of Union of Czech Mathematicians and Physicists
6. Июль ВМ: Ничего Дизайн: J. Hamza Гравюра: vedi francobollo Перфорация: 11¼ x 12
![[The 125th Anniversary of Union of Czech Mathematicians and Physicists, тип CLX]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/CLX-s.jpg)
![[The 125th Anniversary of Union of Czech Mathematicians and Physicists, тип CLY]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/CLY-s.jpg)
![[The 125th Anniversary of Union of Czech Mathematicians and Physicists, тип CLZ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/CLZ-s.jpg)
