Estás viendo: Ecuador - Sellos de impuesto postal (1920 - 1961) - 8 sellos.
Marca de agua: Ninguna Perforación: 12 & 12½
![[Revenue and Postage Stamp Overprinted "CASA de Correos y Telegrafos de Guayaquil" in Red Colour, tipo 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, tipo K1]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/K1-s.jpg)
Marca de agua: Ninguna Perforación: 12
![[Revenue Stamp Overprinted "CASA de Correos y Telegrafos de Guayaquil", tipo L]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/L-s.jpg)
![[Revenue Stamp Overprinted "CASA de Correos y Telegrafos de Guayaquil", tipo L1]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/L1-s.jpg)
Marca de agua: Ninguna Perforación: 12
![[Postage Stamp of 1929 Overprinted "CASA de Correos y Teleg. de Guayaquil", tipo 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", tipo M1]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/M1-s.jpg)
Marca de agua: 1 Perforación: 15 x 14
![[Building of New Post and Telegraph Office - Watermarked, tipo N]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/N-s.jpg)
![[Building of New Post and Telegraph Office - Watermarked, tipo XN]](https://www.stampworld.com/media/catalogue/Ecuador/Postal-tax-stamps/XN-s.jpg)
