| Issuer | Date | Desc | State | ||
| - | no image | Nicaragua | 1990 | empty sheet (#86025) | incomplete |
| - | no image | Nicaragua | 4/30/1990 | empty sheet (#86026) | incomplete |
| - | no image | Nicaragua | 7/25/1990 | empty sheet (#86027) | incomplete |
| - | no image | Nicaragua | 8/10/1990 | empty sheet (#86028) | incomplete |
| - | no image | Nicaragua | 8/14/1990 | empty sheet (#86029) | incomplete |