Airmail - Opening of Czechoslovak Airlines 1957
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1957
Airmail - Opening of Czechoslovak Airlines
16. 十月 窗口管理器: 空缺 设计: F. Hudeček 雕版: B. Housa, B. Roule 筛孔: 11½
![[Airmail - Opening of Czechoslovak Airlines, 类型 RU]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/RU-s.jpg)
![[Airmail - Opening of Czechoslovak Airlines, 类型 RV]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/RV-s.jpg)
