The 4th Congress of World Federation of Trade Unions 1957
Praegu kuvatakse: Põhja-Korea - postmargid - 1957 - The 4th Congress of World Federation of Trade Unions - 2 margid.
1957
The 4th Congress of World Federation of Trade Unions
3. oktoober WM: mitte ükski perforatsioon: 10
![[The 4th Congress of World Federation of Trade Unions, Tüüp CW]](https://www.stampworld.com/media/catalogue/North-Korea/Postage-stamps/CW-s.jpg)
![[The 4th Congress of World Federation of Trade Unions, Tüüp CW1]](https://www.stampworld.com/media/catalogue/North-Korea/Postage-stamps/CW1-s.jpg)
