Now showing: Colombia - Postal tax stamps (1940 - 1949) - 6 stamps.
WM: 2 Engraving: American Bank Note Co. Perforation: 12
![[Postage Stamp of 1941 Overprinted "SOBRETASA" in Red Colour, type L]](https://www.stampworld.com/media/catalogue/Colombia/Postal-tax-stamps/L-s.jpg)
WM: None Engraving: Waterlow & Sons Ltd, Londres Perforation: 12½
![[Red Cross, type M]](https://www.stampworld.com/media/catalogue/Colombia/Postal-tax-stamps/M-s.jpg)
WM: 2 Engraving: American Bank Note Co. Perforation: 12
![[Ministry of Posts and Telegraphs Building, type I10]](https://www.stampworld.com/media/catalogue/Colombia/Postal-tax-stamps/I10-s.jpg)
WM: None Engraving: Litografía Nacional Bogotá Perforation: 11
![[Postage Stamp of 1938 Overprinted "SOBRETASA" in Red Colour, type N]](https://www.stampworld.com/media/catalogue/Colombia/Postal-tax-stamps/N-s.jpg)