Gwam
Muri Bhalissa: Gwam - Bolol tal-posta (1899 - 1930) - 11 bolol.
8. April WM: Xejn Perforazzjoni: 11
![[Philippines Postage Stamps Overprinted "GUAM - GUARD MAIL", Tip C]](https://www.stampworld.com/media/catalogue/Guam/Postage-stamps/C-s.jpg)
![[Philippines Postage Stamps Overprinted "GUAM - GUARD MAIL", Tip C1]](https://www.stampworld.com/media/catalogue/Guam/Postage-stamps/C1-s.jpg)
July WM: Xejn Perforazzjoni: 12
![[Coat of Arms, Tip D]](https://www.stampworld.com/media/catalogue/Guam/Postage-stamps/D-s.jpg)
![[Coat of Arms, Tip D1]](https://www.stampworld.com/media/catalogue/Guam/Postage-stamps/D1-s.jpg)
10. August WM: Xejn Perforazzjoni: 11
![[Philippines Postage Stamps Overprinted "GUAM - GUARD - MAIL", Tip E]](https://www.stampworld.com/media/catalogue/Guam/Postage-stamps/E-s.jpg)
![[Philippines Postage Stamps Overprinted "GUAM - GUARD - MAIL", Tip E1]](https://www.stampworld.com/media/catalogue/Guam/Postage-stamps/E1-s.jpg)
December WM: Xejn Perforazzjoni: 11
![[Philippines Postage Stamps Overprinted, Tip F]](https://www.stampworld.com/media/catalogue/Guam/Postage-stamps/F-s.jpg)
![[Philippines Postage Stamps Overprinted, Tip F1]](https://www.stampworld.com/media/catalogue/Guam/Postage-stamps/F1-s.jpg)
![[Philippines Postage Stamps Overprinted, Tip F2]](https://www.stampworld.com/media/catalogue/Guam/Postage-stamps/F2-s.jpg)
![[Philippines Postage Stamps Overprinted, Tip F3]](https://www.stampworld.com/media/catalogue/Guam/Postage-stamps/F3-s.jpg)
Muri Bhalissa: Gwam - Bolol tal-posta (1899 - 1930) - 11 bolol.
8. April WM: Xejn Perforazzjoni: 11
July WM: Xejn Perforazzjoni: 12
10. August WM: Xejn Perforazzjoni: 11
December WM: Xejn Perforazzjoni: 11