Sheets of Bulgaria, 2007
| Issuer | Date | Desc | State | ||
| - |  |
Bulgaria | 1/31/2007 | empty sheet (#6421) | incomplete |
| - |  |
Bulgaria | 4/25/2007 | empty sheet (#6422) | incomplete |
| - |  |
Bulgaria | 4/26/2007 | empty sheet (#6420) | incomplete |
| - |  |
Bulgaria | 6/1/2007 | empty sheet (#6423) | incomplete |
| - |  |
Bulgaria | 9/10/2007 | empty sheet (#6424) | incomplete |
| - |  |
Bulgaria | 9/11/2007 | empty sheet (#6425) | incomplete |
| - |  |
Bulgaria | 10/9/2007 | empty sheet (#6426) | incomplete |