Sheets of Hong Kong, 1990 all added
| Issuer | Date | Desc | State | ||
| - |  |
Hong Kong | 1/23/1990 | Year of the Horse 1990, sheet of 4 types | all added |
| - |  |
Hong Kong | 8/24/1990 | NEW ZEALAND 1990, sheet of 1 type | all added |
| - |  |
Hong Kong | 10/2/1990 | 100th Anniversary of Electricity Supply, sheet of 2 types | all added |