The "50th Anniversary of USSR" Philatelic Exhibition 1972
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1972
The "50th Anniversary of USSR" Philatelic Exhibition
4. October 窗口管理器: 空缺 紙張規格 : 25 設計: Yury Levinovsky 篩孔: 12¼ x 12
![[The "50th Anniversary of USSR" Philatelic Exhibition, 類型 EKO]](https://www.stampworld.com/media/catalogue/USSR/Postage-stamps/EKO-s.jpg)
