现在展示： 危地马拉 - 航空印花税邮票 (1919 - 1945) - 2 邮票.
![[Central Post Office Stamp of 1927 Overprinted "1940" in Dark Purple or Dark Brown, 类型 B9]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Guatemala/Air-tax-stamps/B9-s.jpg)
1940
The 50th Anniversary of Pan American Union - Central Post Office Stamp of 1927 Overprinted
14. 三月 窗口管理器: 空缺 筛孔: 14
![[The 50th Anniversary of Pan American Union - Central Post Office Stamp of 1927 Overprinted, 类型 B10]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Guatemala/Air-tax-stamps/B10-s.jpg)
