The 8th World Congress of the Trade Unions 1973
Näytetään: Bulgaria - Postimaksumerkit - 1973 - The 8th World Congress of the Trade Unions - 1 postimerkit.
Näytetään: Bulgaria - Postimaksumerkit - 1973 - The 8th World Congress of the Trade Unions - 1 postimerkit.
![[The 8th World Congress of the Trade Unions, tyyppi CAA]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-stamps/CAA-s.jpg)
