Sheets of South Africa, 1990
| Issuer | Date | Desc | State | ||
| - |  |
South Africa | 1990 | Penny Black 150th, sheet of 1 type | all added |
| - | no image | South Africa | 2/15/1990 | empty sheet (#64603) | incomplete |
| - | no image | South Africa | 8/2/1990 | empty sheet (#64604) | incomplete |
| - | no image | South Africa | 12/6/1990 | empty sheet (#64605) | incomplete |