现在展示： 美国 - 航空邮票 (1918 - 2012) - 4 邮票.
1980
Philip Mazzei
13. 十月 窗口管理器: 空缺 设计: Sante Graziani 雕版: Sante Graziani 筛孔: 11
![[Philip Mazzei, 类型 BS]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/BS-s.jpg)
![[Philip Mazzei, 类型 BS1]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/BS1-s.jpg)
1980
Aviation Pioneers
30. 十二月 窗口管理器: 空缺 筛孔: 11
![[Aviation Pioneers, 类型 BT]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/BT-s.jpg)
![[Aviation Pioneers, 类型 BU]](https://www.stampworld.com/media/catalogue/United-States/Airmail-stamps/BU-s.jpg)
