Introduction of Postal Codes 1978
Now showing: Portugal - Postage stamps - 1978 - Introduction of Postal Codes - 4 stamps.
1978
Introduction of Postal Codes
30. October WM: None Design: José Luís Tinoco Engraving: Imprensa Nacional Casa da Moeda. Perforation: 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)
