Češkoslovaška
Sedaj prikazano: Češkoslovaška - Poštne znamke (1918 - 1992) - 1 znamke.
1987
The 125th Anniversary of Union of Czech Mathematicians and Physicists
6. julij WM: Nič Oblika: J. Hamza Gravura: vedi francobollo Perforacija: 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)
