| Issuer | Date | Desc | State | ||
| - | no image | Paraguay | 1/4/1990 | empty sheet (#36934) | incomplete |
| - | no image | Paraguay | 1/25/1990 | empty sheet (#36935) | incomplete |
| - | no image | Paraguay | 1/25/1990 | empty sheet (#36936) | incomplete |
| - | no image | Paraguay | 3/7/1990 | empty sheet (#36937) | incomplete |
| - | no image | Paraguay | 3/14/1990 | empty sheet (#36938) | incomplete |
| - | no image | Paraguay | 3/14/1990 | empty sheet (#36939) | incomplete |