| Issuer | Date | Desc | State | ||
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50803) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50804) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50805) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50806) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50807) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50808) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50809) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50810) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50811) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50812) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50813) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50814) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50815) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50816) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50817) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50818) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50819) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50820) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50821) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50822) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50823) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50824) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50825) | incomplete |
| - | no image | Bhutan | 1/30/1990 | empty sheet (#50826) | incomplete |
| - | no image | Bhutan | 4/6/1990 | empty sheet (#50827) | incomplete |
| - | no image | Bhutan | 4/6/1990 | empty sheet (#50828) | incomplete |
| - | no image | Bhutan | 4/6/1990 | empty sheet (#50829) | incomplete |
| - | no image | Bhutan | 4/6/1990 | empty sheet (#50830) | incomplete |
| - | no image | Bhutan | 4/6/1990 | empty sheet (#50831) | incomplete |
| - | no image | Bhutan | 4/6/1990 | empty sheet (#50832) | incomplete |
| - | no image | Bhutan | 4/6/1990 | empty sheet (#50833) | incomplete |
| - | no image | Bhutan | 4/6/1990 | empty sheet (#50834) | incomplete |
| - | no image | Bhutan | 4/6/1990 | empty sheet (#50835) | incomplete |
| - | no image | Bhutan | 4/6/1990 | empty sheet (#50836) | incomplete |
| - | no image | Bhutan | 4/6/1990 | empty sheet (#50837) | incomplete |
| - | no image | Bhutan | 4/6/1990 | empty sheet (#50838) | incomplete |
| - | no image | Bhutan | 5/21/1990 | empty sheet (#50839) | incomplete |
| - | no image | Bhutan | 5/21/1990 | empty sheet (#50840) | incomplete |
| - | no image | Bhutan | 5/21/1990 | empty sheet (#50841) | incomplete |
| - | no image | Bhutan | 5/21/1990 | empty sheet (#50842) | incomplete |
| - | no image | Bhutan | 5/21/1990 | empty sheet (#50843) | incomplete |
| - | no image | Bhutan | 5/21/1990 | empty sheet (#50844) | incomplete |
| - | no image | Bhutan | 5/21/1990 | empty sheet (#50845) | incomplete |
| - | no image | Bhutan | 5/21/1990 | empty sheet (#50846) | incomplete |
| - | no image | Bhutan | 5/21/1990 | empty sheet (#50847) | incomplete |
| - | no image | Bhutan | 5/21/1990 | empty sheet (#50848) | incomplete |
| - | no image | Bhutan | 5/21/1990 | empty sheet (#50849) | incomplete |
| - | no image | Bhutan | 5/21/1990 | empty sheet (#50850) | incomplete |
| - | no image | Bhutan | 7/11/1990 | empty sheet (#50851) | incomplete |
| - | no image | Bhutan | 7/11/1990 | empty sheet (#50852) | incomplete |
| - | no image | Bhutan | 7/11/1990 | empty sheet (#50853) | incomplete |
| - | no image | Bhutan | 7/11/1990 | empty sheet (#50854) | incomplete |
| - | no image | Bhutan | 7/11/1990 | empty sheet (#50855) | incomplete |
| - | no image | Bhutan | 7/11/1990 | empty sheet (#50856) | incomplete |
| - | no image | Bhutan | 7/11/1990 | empty sheet (#50857) | incomplete |
| - | no image | Bhutan | 7/11/1990 | empty sheet (#50858) | incomplete |
| - | no image | Bhutan | 7/11/1990 | empty sheet (#50859) | incomplete |
| - | no image | Bhutan | 7/11/1990 | empty sheet (#50860) | incomplete |
| - | no image | Bhutan | 7/11/1990 | empty sheet (#50861) | incomplete |
| - | no image | Bhutan | 7/11/1990 | empty sheet (#50862) | incomplete |
| - | no image | Bhutan | 10/9/1990 | empty sheet (#50863) | incomplete |
| - | no image | Bhutan | 10/9/1990 | empty sheet (#50864) | incomplete |
| - | no image | Bhutan | 10/9/1990 | empty sheet (#50865) | incomplete |
| - | no image | Bhutan | 10/9/1990 | empty sheet (#50866) | incomplete |
| - | no image | Bhutan | 10/9/1990 | empty sheet (#50867) | incomplete |
| - | no image | Bhutan | 10/9/1990 | empty sheet (#50868) | incomplete |
| - | no image | Bhutan | 10/9/1990 | empty sheet (#50869) | incomplete |
| - | no image | Bhutan | 10/9/1990 | empty sheet (#50870) | incomplete |
| - | no image | Bhutan | 10/9/1990 | empty sheet (#50871) | incomplete |
| - | no image | Bhutan | 10/9/1990 | empty sheet (#50872) | incomplete |
| - | no image | Bhutan | 10/9/1990 | empty sheet (#50873) | incomplete |
| - | no image | Bhutan | 10/9/1990 | empty sheet (#50874) | incomplete |