Viser nå: Portugal - Postfrimerker (1950 - 1959) - 4 frimerker.
30. August VM: Ingen Design: Álvaro Duarte de Almeida Gravering: Casa da Moeda Perforering: 13½
![[The 1000th Anniversary of Aviero, type IA]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/IA-s.jpg)
![[The 1000th Anniversary of Aviero, type IA1]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/IA1-s.jpg)
30. August VM: Ingen Design: Álvaro Duarte de Almeida Gravering: Casa da Moeda Perforering: 13½
![[The 1000th Anniversary of Aviero, type IA]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/IA-s.jpg)
![[The 1000th Anniversary of Aviero, type IA1]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/IA1-s.jpg)