| Issuer | Date | Desc | State | ||
| - | no image | Bhutan | 2/25/2009 | empty sheet (#51169) | incomplete |
| - | no image | Bhutan | 3/20/2009 | empty sheet (#51170) | incomplete |
| - | no image | Bhutan | 6/27/2009 | empty sheet (#51171) | incomplete |
| - | no image | Bhutan | 6/27/2009 | empty sheet (#51172) | incomplete |
| - | no image | Bhutan | 7/22/2009 | empty sheet (#51173) | incomplete |
| - | no image | Bhutan | 9/28/2009 | empty sheet (#51174) | incomplete |