Sheets of Australia, 1990
| Issuer | Date | Desc | State | ||
| - |  |
Australia | 1990 | Penny Black 150th, sheet of 6 types | all added |
| - |  |
Australia | 1990 | Antarctic cooperation, sheet of 2 types | all added |
| - |  |
Australia | 1990 | empty sheet (#70) | incomplete |
| - |  |
Australia | 1990 | empty sheet (#71) | incomplete |
| - |  |
Australia | 6/13/1990 | empty sheet (#59235) | incomplete |
| - |  |
Australia | 8/27/1990 | empty sheet (#59236) | incomplete |
| - |  |
Australia | 9/3/1990 | empty sheet (#59237) | incomplete |
| - |  |
Australia | 9/3/1990 | empty sheet (#59239) | incomplete |
| - |  |
Australia | 10/31/1990 | empty sheet (#59238) | incomplete |