Sheets of Portugal, 1998
| Issuer | Date | Desc | State | ||
| - |  |
Portugal | 2/20/1998 | empty sheet (#8073) | incomplete |
| - |  |
Portugal | 3/20/1998 | empty sheet (#8074) | incomplete |
| - |  |
Portugal | 3/20/1998 | empty sheet (#8087) | incomplete |
| - |  |
Portugal | 3/20/1998 | empty sheet (#8088) | incomplete |
| - |  |
Portugal | 3/29/1998 | empty sheet (#8075) | incomplete |
| - |  |
Portugal | 5/18/1998 | empty sheet (#8077) | incomplete |
| - |  |
Portugal | 5/21/1998 | empty sheet (#8076) | incomplete |
| - |  |
Portugal | 5/21/1998 | empty sheet (#8078) | incomplete |
| - |  |
Portugal | 5/21/1998 | empty sheet (#8079) | incomplete |
| - |  |
Portugal | 5/21/1998 | empty sheet (#8090) | incomplete |
| - |  |
Portugal | 6/18/1998 | empty sheet (#8080) | incomplete |
| - |  |
Portugal | 6/23/1998 | empty sheet (#8081) | incomplete |
| - |  |
Portugal | 6/23/1998 | empty sheet (#8082) | incomplete |
| - |  |
Portugal | 9/4/1998 | empty sheet (#8083) | incomplete |
| - |  |
Portugal | 9/4/1998 | empty sheet (#8089) | incomplete |
| - |  |
Portugal | 10/18/1998 | empty sheet (#8084) | incomplete |
| - |  |
Portugal | 10/23/1998 | empty sheet (#8085) | incomplete |
| - |  |
Portugal | 12/15/1998 | empty sheet (#8086) | incomplete |