Ditunjukkan sekarang: El Salvador - Setem-setem bayaran pos (1900 - 1909) - 9 Setem-setem.
WM: 3 Perforasi: 11½
![[National Palace - Watermarked, jenis BT15]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/BT15-s.jpg)
![[National Palace - Watermarked, jenis BT18]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/BT18-s.jpg)
![[National Palace - Watermarked, jenis BT19]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/BT19-s.jpg)
1. September WM: 3 Perforasi: 11½
![[National Palace - No. 328 & 342 Overprinted "1821 - 15 septiembre - 1909", jenis BT20]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/BT20-s.jpg)
1. December WM: Tiada Perforasi: 11½
![[National Palace - No. 335 & 337 Surcharged & Overprinted "1909", jenis BT22]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/BT22-s.jpg)
![[National Palace - No. 335 & 337 Surcharged & Overprinted "1909", jenis BT23]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/BT23-s.jpg)
Ditunjukkan sekarang: El Salvador - Setem-setem bayaran pos (1900 - 1909) - 9 Setem-setem.
WM: 3 Perforasi: 11½
1. September WM: 3 Perforasi: 11½
1. December WM: Tiada Perforasi: 11½