Sheets of Portugal, 1977
| Issuer | Date | Desc | State | ||
| - |  |
Portugal | 1977 | Europa 1977, sheet of 6, 2 types | all added |
| - |  |
Portugal | 1977 | Continuing Education, sheet of 4 types | all added |
| - | no image | Portugal | 1977 | Portucale 77, sheet of 6 types | all added |
| Issuer | Date | Desc | State | ||
| - | |
Portugal | 1977 | Europa 1977, sheet of 6, 2 types | all added |
| - | |
Portugal | 1977 | Continuing Education, sheet of 4 types | all added |
| - | no image | Portugal | 1977 | Portucale 77, sheet of 6 types | all added |