The 7th Trade Union Congress, Warsaw 1945
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1945
The 7th Trade Union Congress, Warsaw
18. November VM: Ingen Arkstørrelse: 50 Design: J.Wilczyk Perforering: 10¾
![[The 7th Trade Union Congress, Warsaw, type GY]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/GY-s.jpg)
