The 4th World T.U.C., Leipzig 1957
Now showing: Czechoslovakia - Postage stamps - 1957 - The 4th World T.U.C., Leipzig - 1 stamps.
1957
The 4th World T.U.C., Leipzig
28. September WM: None Design: V. Polášek Engraving: J. Mráček Perforation: 11½
![[The 4th World T.U.C., Leipzig, type RT]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/RT-s.jpg)
