Fifth World Congress for the Deaf in Warsaw 1967
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1967
Fifth World Congress for the Deaf in Warsaw
1. August WM: None Sheetsize: 30 Design: Cz. Kaczmarczyk Engraving: PWPW. Perforation: 11¼:11¾
![[Fifth World Congress for the Deaf in Warsaw, type AYU]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/AYU-s.jpg)
