Muri Bhalissa: Ekwador - Bolli postali tat-taxxa (1930 - 1939) - 8 bolol.
WM: Xejn Perforazzjoni: 12 & 12½
![[Revenue and Postage Stamp Overprinted "CASA de Correos y Telegrafos de Guayaquil" in Red Colour, Tip 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, Tip K1]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/K1-s.jpg)
WM: Xejn Perforazzjoni: 12
![[Revenue Stamp Overprinted "CASA de Correos y Telegrafos de Guayaquil", Tip L]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/L-s.jpg)
![[Revenue Stamp Overprinted "CASA de Correos y Telegrafos de Guayaquil", Tip L1]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/L1-s.jpg)
WM: Xejn Perforazzjoni: 12
![[Postage Stamp of 1929 Overprinted "CASA de Correos y Teleg. de Guayaquil", Tip 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", Tip M1]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/M1-s.jpg)
WM: 1 Perforazzjoni: 15 x 14
![[Building of New Post and Telegraph Office - Watermarked, Tip N]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/N-s.jpg)
![[Building of New Post and Telegraph Office - Watermarked, Tip XN]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/XN-s.jpg)
Muri Bhalissa: Ekwador - Bolli postali tat-taxxa (1930 - 1939) - 8 bolol.
WM: Xejn Perforazzjoni: 12 & 12½
WM: Xejn Perforazzjoni: 12
WM: Xejn Perforazzjoni: 12
WM: 1 Perforazzjoni: 15 x 14