Sheets of Portugal - Azores region, 1999
| Issuer | Date | Desc | State | ||
| - |  |
Azores region | 5/5/1999 | Europa 1999, sheet of 3, 1 type | all added |
| - |  |
Azores region | 9/3/1999 | sheet of 4 types | all added |
| Issuer | Date | Desc | State | ||
| - | |
Azores region | 5/5/1999 | Europa 1999, sheet of 3, 1 type | all added |
| - | |
Azores region | 9/3/1999 | sheet of 4 types | all added |