The 30th Anniversary of the United Nations 1975
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1975
The 30th Anniversary of the United Nations
25. July 窗口管理器: 空缺 紙張規格 : 30 設計: A. Heidrich 雕版: PWPW. 篩孔: 11¼:11½
![[The 30th Anniversary of the United Nations, 類型 BWG]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/BWG-s.jpg)
