| Issuer | Date | Desc | State | ||
| - | no image | Sri Lanka | 4/30/1993 | empty sheet (#40389) | incomplete |
| - | |
Sri Lanka | 4/30/1993 | empty sheet (#59462) | incomplete |
| - | no image | Sri Lanka | 7/14/1993 | empty sheet (#40390) | incomplete |
| - | |
Sri Lanka | 7/14/1993 | empty sheet (#59461) | incomplete |
| - | no image | Sri Lanka | 11/30/1993 | empty sheet (#40391) | incomplete |
| - | |
Sri Lanka | 11/30/1993 | empty sheet (#59463) | incomplete |