The 4th World Congress of the International Confederation of Free Trade Unions 1955
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1955
The 4th World Congress of the International Confederation of Free Trade Unions
20. máj WM: nikto Dizajn: Viktor Th. Slama Rytina: Ferdinand Lorber Perforácia: 13¾ x 14½
![[The 4th World Congress of the International Confederation of Free Trade Unions, typ UE]](https://www.stampworld.com/media/catalogue/Austria/Postage-stamps/UE-s.jpg)
