Sheets of Hong Kong, 1998 incomplete
| Issuer | Date | Desc | State | ||
| - |  |
Hong Kong | 7/5/1998 | Closure of Kaj Tak Airport, empty sheet (#17554) | incomplete |
| - |  |
Hong Kong | 7/5/1998 | Inauguration of Hong Kong International Airport, sheet of 1 type | incomplete |
| - | no image | Hong Kong | 7/5/1998 | empty sheet (#84695) | incomplete |