| Issuer | Date | Desc | State | ||
| - | |
Cambodia | 3/15/1993 | empty sheet (#28438) | incomplete |
| - | |
Cambodia | 6/15/1993 | empty sheet (#28439) | incomplete |
| - | no image | Cambodia | 8/4/1993 | empty sheet (#28440) | incomplete |
| - | |
Cambodia | 9/23/1993 | empty sheet (#28441) | incomplete |
| - | |
Cambodia | 10/1/1993 | empty sheet (#28442) | incomplete |
| - | no image | Cambodia | 11/6/1993 | empty sheet (#28443) | incomplete |
| - | no image | Cambodia | 12/2/1993 | empty sheet (#28444) | incomplete |