Sheets of Portugal, 1997
| Issuer | Date | Desc | State | ||
| - |  |
Portugal | 2/20/1997 | empty sheet (#8070) | incomplete |
| - |  |
Portugal | 3/12/1997 | empty sheet (#8063) | incomplete |
| - |  |
Portugal | 3/12/1997 | empty sheet (#8071) | incomplete |
| - |  |
Portugal | 3/12/1997 | empty sheet (#8072) | incomplete |
| - |  |
Portugal | 5/5/1997 | empty sheet (#8059) | incomplete |
| - |  |
Portugal | 5/29/1997 | empty sheet (#8060) | incomplete |
| - |  |
Portugal | 6/9/1997 | empty sheet (#8061) | incomplete |
| - |  |
Portugal | 7/5/1997 | empty sheet (#8062) | incomplete |
| - |  |
Portugal | 9/17/1997 | empty sheet (#8064) | incomplete |
| - |  |
Portugal | 9/17/1997 | empty sheet (#8065) | incomplete |
| - |  |
Portugal | 10/9/1997 | empty sheet (#8066) | incomplete |
| - |  |
Portugal | 11/5/1997 | empty sheet (#8067) | incomplete |
| - |  |
Portugal | 11/5/1997 | empty sheet (#8068) | incomplete |
| - |  |
Portugal | 12/5/1997 | empty sheet (#8069) | incomplete |