The 8th World Trade Union Congress, Varna, Bulgaria 1973
Şimdi gösteriyor: Küba - Posta pulları - 1973 - The 8th World Trade Union Congress, Varna, Bulgaria - 1 pullar.
Şimdi gösteriyor: Küba - Posta pulları - 1973 - The 8th World Trade Union Congress, Varna, Bulgaria - 1 pullar.
![[The 8th World Trade Union Congress, Varna, Bulgaria, tip BZK]](https://www.stampworld.com/media/catalogue/Cuba/Postage-stamps/BZK-s.jpg)
