Đang hiển thị: Hoa Kỳ - Tem bưu chính (1910 - 1919) - 13 tem.
quản lý chất thải: 3 sự khoan: 10
![[Benjamin Franklin, 1706-1790, loại EK19]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/EK19-s.jpg)
![[Benjamin Franklin, 1706-1790, loại EK20]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/EK20-s.jpg)
8. Tháng 2 quản lý chất thải: 1 sự khoan: 10
![[Benjamin Franklin, 1706-1790, loại DW80]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DW80-s.jpg)
17. Tháng 6 quản lý chất thải: 3 sự khoan: 11
![[George Washington, loại DW81]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DW81-s.jpg)
![[Panama-Pacific Exposition Issue - Different Perforation, loại EM2]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/EM2-s.jpg)
![[Panama-Pacific Exposition Issue - Different Perforation, loại EN1]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/EN1-s.jpg)
![[Panama-Pacific Exposition Issue - Different Perforation, loại EO2]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/EO2-s.jpg)
quản lý chất thải: 3 sự khoan: 10 Horizontally
![[Coil Stamps - Rotary Press Printing. Stamps are 19½-20mm Wide, loại DW82]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DW82-s.jpg)
![[Coil Stamps - Rotary Press Printing. Stamps are 19½-20mm Wide, loại DW83]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DW83-s.jpg)
![[Coil Stamps - Rotary Press Printing. Stamps are 19½-20mm Wide, loại DW84]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DW84-s.jpg)
quản lý chất thải: 3 sự khoan: 10 Vertically
![[Coil Stamps - Rotary Press Printing. Stamps are 23mm High, loại DW85]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DW85-s.jpg)
![[Coil Stamps - Rotary Press Printing. Stamps are 23mm High, loại DW86]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DW86-s.jpg)
![[Coil Stamps - Rotary Press Printing. Stamps are 23mm High, loại DW87]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/DW87-s.jpg)
