Sheets of Gibraltar, 1998
| Issuer | Date | Desc | State | ||
| - |  |
Gibraltar | 1/23/1998 | World Cup 1998, sheet of 4 types | all added |
| - |  |
Gibraltar | 3/31/1998 | Diana memorial, sheet of 4 types | all added |
| - |  |
Gibraltar | 4/1/1998 | RAF 80th, empty sheet (#18703) | incomplete |
| - | no image | Gibraltar | 5/22/1998 | empty sheet (#18701) | incomplete |
| - |  |
Gibraltar | 5/22/1998 | empty sheet (#18704) | incomplete |
| - |  |
Gibraltar | 8/1/1998 | empty sheet (#63482) | incomplete |