Envelope with appropriate inscription and brand MiNr. 1271
20 $ 1974
Colombia
The Universal Postal Union (UPU, French: Union postale universelle), established by the Treaty of Bern of 1874, is a specialized agency of the United Nations (UN) that coordinates postal policies amon.. Read more »
| Country: | Colombia |
| Type: | Postage stamps |
| Series: | U.P.U. (Universal Postal Union), Centenary |
| Nominal: | 20 $ |
| Year: | 1974 |
| Size: | 40 x 30 mm |
| Perforation: | 14 |
| Mintage: | 500,000 |
U.P.U. (Universal Postal Union), Centenary
