| Issuer | Date | Desc | State | ||
| - | no image | Bhutan | 3/23/1983 | empty sheet (#50676) | incomplete |
| - | no image | Bhutan | 3/23/1983 | empty sheet (#50677) | incomplete |
| - | no image | Bhutan | 8/11/1983 | empty sheet (#50678) | incomplete |
| - | |
Bhutan | 8/15/1983 | empty sheet (#50679) | incomplete |