现在展示： 尼加拉瓜 - 公务邮票 (1930 - 1939) - 7 邮票.
1931
Airmail - Postage Stamp of 1928 Overprinted
29. 五月 窗口管理器: 空缺 筛孔: 12
![[Airmail - Postage Stamp of 1928 Overprinted, 类型 AK]](https://www.stampworld.com/media/catalogue/Nicaragua/Official-stamps/AK-s.jpg)
1931
Postage Stamp of 1928 Overprinted
8. 八月 窗口管理器: 空缺 筛孔: 12
![[Postage Stamp of 1928 Overprinted, 类型 AN]](https://www.stampworld.com/media/catalogue/Nicaragua/Official-stamps/AN-s.jpg)
![[Postage Stamp of 1928 Overprinted, 类型 AN2]](https://www.stampworld.com/media/catalogue/Nicaragua/Official-stamps/AN2-s.jpg)
![[Postage Stamp of 1928 Overprinted, 类型 AN4]](https://www.stampworld.com/media/catalogue/Nicaragua/Official-stamps/AN4-s.jpg)
