Polen
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1951
International Day of the Child, 1 June 1951
1. April Wz: Keine Bogengröße: 100 Design: St. Łukaszewski Zähnung: 12½:12¾
![[International Day of the Child, 1 June 1951, Typ KU]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/KU-s.jpg)
![[International Day of the Child, 1 June 1951, Typ KV]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/KV-s.jpg)
