Sheets of Portugal - Azores region, 1988
| Issuer | Date | Desc | State | ||
| - |  |
Azores region | 4/21/1988 | Europa 1988, sheet of 4, 1 type | all added |
| - |  |
Azores region | 10/18/1988 | sheet of 4 types | all added |
| Issuer | Date | Desc | State | ||
| - | |
Azores region | 4/21/1988 | Europa 1988, sheet of 4, 1 type | all added |
| - | |
Azores region | 10/18/1988 | sheet of 4 types | all added |