Menampilkan: Ekuador - Prangko Pajak Pos (1930 - 1939) - 8 prangko.
WM: Tiada Perforasi: 12 & 12½
![[Revenue and Postage Stamp Overprinted "CASA de Correos y Telegrafos de Guayaquil" in Red Colour, Tipe K]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/K-s.jpg)
![[Revenue and Postage Stamp Overprinted "CASA de Correos y Telegrafos de Guayaquil" in Red Colour, Tipe K1]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/K1-s.jpg)
WM: Tiada Perforasi: 12
![[Revenue Stamp Overprinted "CASA de Correos y Telegrafos de Guayaquil", Tipe L]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/L-s.jpg)
![[Revenue Stamp Overprinted "CASA de Correos y Telegrafos de Guayaquil", Tipe L1]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/L1-s.jpg)
WM: Tiada Perforasi: 12
![[Postage Stamp of 1929 Overprinted "CASA de Correos y Teleg. de Guayaquil", Tipe M]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/M-s.jpg)
![[Postage Stamp of 1929 Overprinted "CASA de Correos y Teleg. de Guayaquil", Tipe M1]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/M1-s.jpg)
WM: 1 Perforasi: 15 x 14
![[Building of New Post and Telegraph Office - Watermarked, Tipe N]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/N-s.jpg)
![[Building of New Post and Telegraph Office - Watermarked, Tipe XN]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/XN-s.jpg)
Menampilkan: Ekuador - Prangko Pajak Pos (1930 - 1939) - 8 prangko.
WM: Tiada Perforasi: 12 & 12½
WM: Tiada Perforasi: 12
WM: Tiada Perforasi: 12
WM: 1 Perforasi: 15 x 14