The 6th Polish Congress for Technicians 1971
現在展示： 波蘭 - （通用）郵票 - 1971 - The 6th Polish Congress for Technicians - 1 郵票.
1971
The 6th Polish Congress for Technicians
2. September 窗口管理器: 空缺 紙張規格 : 30 設計: Henryk Chyliński 雕版: PWPW. 篩孔: 11½:11
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