| Issuer | Date | Desc | State | ||
| - | no image | Singapore | 2001 | empty sheet (#22035) | incomplete |
| - | no image | Singapore | 5/16/2001 | empty sheet (#22036) | incomplete |
| - | no image | Singapore | 6/9/2001 | empty sheet (#22037) | incomplete |
| - | no image | Singapore | 7/26/2001 | empty sheet (#22038) | incomplete |
| - | no image | Singapore | 8/1/2001 | empty sheet (#22039) | incomplete |
| - | no image | Singapore | 9/20/2001 | empty sheet (#22040) | incomplete |
| - | no image | Singapore | 10/24/2001 | empty sheet (#22041) | incomplete |