Muri Bhalissa: Kolombja - Bolli postali tat-taxxa (1950 - 1959) - 2 bolol.
25. May WM: Xejn Perforazzjoni: 11
![[Not Issued Stamps Surcharged, Tip R]](https://www.stampworld.com/media/catalogue/Colombia/Postal-tax-stamps/R-s.jpg)
26. May WM: 2 Inċiżjoni: American Bank Note Co. Perforazzjoni: 12
![[Postage Stamp of 1949 Overprinted "SOBRETASA", Tip S]](https://www.stampworld.com/media/catalogue/Colombia/Postal-tax-stamps/S-s.jpg)
Muri Bhalissa: Kolombja - Bolli postali tat-taxxa (1950 - 1959) - 2 bolol.
25. May WM: Xejn Perforazzjoni: 11
26. May WM: 2 Inċiżjoni: American Bank Note Co. Perforazzjoni: 12
