Sheets of China, PRC, 1990
| Issuer | Date | Desc | State | ||
| - | no image | China, PRC | 6/20/1990 | sheet of 1 type | |
| - |  |
China, PRC | 9/22/1990 | empty sheet (#2635) | incomplete |
| - | no image | China, PRC | 9/22/1990 | empty sheet (#2636) | incomplete |
| - | no image | China, PRC | 11/26/1990 | empty sheet (#2637) | incomplete |