| Issuer | Date | Desc | State | ||
| - | no image | Montserrat | 2/8/1988 | empty sheet (#85420) | incomplete |
| - | no image | Montserrat | 4/2/1988 | empty sheet (#85421) | incomplete |
| - | no image | Montserrat | 7/29/1988 | empty sheet (#85422) | incomplete |
| - | no image | Montserrat | 12/4/1988 | empty sheet (#85423) | incomplete |