The 30th International Foundry Congress, Prague 1963
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1963
The 30th International Foundry Congress, Prague
15. august VM: Ingen Design: T. Rotrekl Gravering: J. Herčík Perforeringer: 11½
![[The 30th International Foundry Congress, Prague, type AGK]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/AGK-s.jpg)