Erik Boeré Philatelie : Selos para venda - Checoslováquia
A mostrar agora: Checoslováquia - Selos Postais (1918 - 1992) - 2 selos.
1957
The 250th Anniversary of Polytechnic Engineering Schools, Prague
25. Maio WM: Nada Perfuração: 11½
![[The 250th Anniversary of Polytechnic Engineering Schools, Prague, Tipo RD]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/RD-s.jpg)
1957
The 250th Anniversary of Polytechnic Engineering Schools, Prague
25. Maio WM: Nada Perfuração: 11½
![[The 250th Anniversary of Polytechnic Engineering Schools, Prague, Tipo RD]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/RD-s.jpg)