Sheets of Tonga - Niuafo'ou, 1992
| Issuer | Date | Desc | State | ||
| - | no image | Niuafo'ou | 4/28/1992 | empty sheet (#60419) | incomplete |
| - |  |
Niuafo'ou | 5/12/1992 | empty sheet (#60420) | incomplete |
| Issuer | Date | Desc | State | ||
| - | no image | Niuafo'ou | 4/28/1992 | empty sheet (#60419) | incomplete |
| - | |
Niuafo'ou | 5/12/1992 | empty sheet (#60420) | incomplete |