现在展示： 美国 - （通用）邮票 (1910 - 1919) - 13 邮票.
![[Benjamin Franklin, 1706-1790, 类型 EK19]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/EK19-s.jpg)
![[Benjamin Franklin, 1706-1790, 类型 EK20]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/EK20-s.jpg)
8. 二月 窗口管理器: 1 筛孔: 10
![[Benjamin Franklin, 1706-1790, 类型 DW80]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DW80-s.jpg)
17. 六月 窗口管理器: 3 筛孔: 11
![[George Washington, 类型 DW81]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DW81-s.jpg)
![[Panama-Pacific Exposition Issue - Different Perforation, 类型 EM2]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/EM2-s.jpg)
![[Panama-Pacific Exposition Issue - Different Perforation, 类型 EN1]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/EN1-s.jpg)
![[Panama-Pacific Exposition Issue - Different Perforation, 类型 EO2]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/EO2-s.jpg)
窗口管理器: 3 筛孔: 10 Horizontally
![[Coil Stamps - Rotary Press Printing. Stamps are 19½-20mm Wide, 类型 DW82]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DW82-s.jpg)
![[Coil Stamps - Rotary Press Printing. Stamps are 19½-20mm Wide, 类型 DW83]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DW83-s.jpg)
![[Coil Stamps - Rotary Press Printing. Stamps are 19½-20mm Wide, 类型 DW84]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DW84-s.jpg)
窗口管理器: 3 筛孔: 10 Vertically
![[Coil Stamps - Rotary Press Printing. Stamps are 23mm High, 类型 DW85]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DW85-s.jpg)
![[Coil Stamps - Rotary Press Printing. Stamps are 23mm High, 类型 DW86]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DW86-s.jpg)
![[Coil Stamps - Rotary Press Printing. Stamps are 23mm High, 类型 DW87]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DW87-s.jpg)
