Menampilkan: Bolivia - Prangko Pajak Pos (1950 - 1959) - 5 prangko.
WM: Tiada Perforasi: 10½, 12
![[For the Communications Employees Fund, Tipe J]](https://www.stampworld.com/media/catalogue/Bolivia/Postal-tax-stamps/J-s.jpg)
![[For the Communications Employees Fund, Tipe J1]](https://www.stampworld.com/media/catalogue/Bolivia/Postal-tax-stamps/J1-s.jpg)
WM: Tiada Perforasi: 10½
![[Communications Symbols, Tipe K]](https://www.stampworld.com/media/catalogue/Bolivia/Postal-tax-stamps/K-s.jpg)
20. Oktober WM: Tiada Perforasi: 10½, 12, 13¾, 10½, 12
![[For the Building of New Airports, Tipe L]](https://www.stampworld.com/media/catalogue/Bolivia/Postal-tax-stamps/L-s.jpg)
![[For the Building of New Airports, Tipe L1]](https://www.stampworld.com/media/catalogue/Bolivia/Postal-tax-stamps/L1-s.jpg)
Menampilkan: Bolivia - Prangko Pajak Pos (1950 - 1959) - 5 prangko.
WM: Tiada Perforasi: 10½, 12
WM: Tiada Perforasi: 10½
20. Oktober WM: Tiada Perforasi: 10½, 12, 13¾, 10½, 12