Portugal
Viser nå: Portugal - Postfrimerker (1853 - 2024) - 1 frimerker.
1978
Introduction of Postal Codes
30. October VM: Ingen Design: José Luís Tinoco Gravering: Imprensa Nacional Casa da Moeda. Perforering: 12 x 11¾
![[Introduction of Postal Codes, type YO]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/YO-s.jpg)
![[Introduction of Postal Codes, type YP]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/YP-s.jpg)
![[Introduction of Postal Codes, type YQ]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/YQ-s.jpg)
![[Introduction of Postal Codes, type YR]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/YR-s.jpg)
