现在展示： 美国 - （通用）邮票 (1900 - 1909) - 5 邮票.
1906
Benjamin Franklin - Imperforated
1. 二月 窗口管理器: 空缺 筛孔: Imperforated
![[Benjamin Franklin - Imperforated, 类型 CY1]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/CY1-s.jpg)
1906
George Washington - Imperforated
2. 十月 窗口管理器: 空缺 筛孔: Imperforated
![[George Washington - Imperforated, 类型 DM4]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DM4-s.jpg)
![[George Washington - Imperforated, 类型 DM5]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DM5-s.jpg)
![[George Washington - Imperforated, 类型 DM6]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DM6-s.jpg)
![[George Washington - Imperforated, 类型 DM7]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DM7-s.jpg)
