| Issuer | Date | Desc | State | ||
| - | no image | Bhutan | 4/19/1982 | empty sheet (#50667) | incomplete |
| - | no image | Bhutan | 6/25/1982 | empty sheet (#50668) | incomplete |
| - | no image | Bhutan | 8/23/1982 | empty sheet (#50669) | incomplete |
| - | no image | Bhutan | 8/24/1982 | empty sheet (#50670) | incomplete |
| - | no image | Bhutan | 9/1/1982 | empty sheet (#50671) | incomplete |
| - | no image | Bhutan | 9/1/1982 | empty sheet (#50672) | incomplete |
| - | no image | Bhutan | 11/3/1982 | empty sheet (#50673) | incomplete |
| - | no image | Bhutan | 11/15/1982 | empty sheet (#50674) | incomplete |
| - | no image | Bhutan | 11/15/1982 | empty sheet (#50675) | incomplete |