Sheets of Bulgaria, 1986
| Issuer | Date | Desc | State | ||
| - |  |
Bulgaria | 2/12/1986 | empty sheet (#6145) | incomplete |
| - |  |
Bulgaria | 3/7/1986 | empty sheet (#6151) | incomplete |
| - |  |
Bulgaria | 3/7/1986 | empty sheet (#6152) | incomplete |
| - |  |
Bulgaria | 3/17/1986 | empty sheet (#6153) | incomplete |
| - |  |
Bulgaria | 3/28/1986 | empty sheet (#6154) | incomplete |
| - |  |
Bulgaria | 3/28/1986 | empty sheet (#6155) | incomplete |
| - |  |
Bulgaria | 5/12/1986 | empty sheet (#6156) | incomplete |
| - |  |
Bulgaria | 5/30/1986 | empty sheet (#6146) | incomplete |
| - |  |
Bulgaria | 5/30/1986 | empty sheet (#6147) | incomplete |
| - |  |
Bulgaria | 5/30/1986 | empty sheet (#6157) | incomplete |
| - |  |
Bulgaria | 5/30/1986 | empty sheet (#6159) | incomplete |
| - | no image | Bulgaria | 5/30/1986 | empty sheet (#6160) | incomplete |
| - |  |
Bulgaria | 8/25/1986 | empty sheet (#6158) | incomplete |
| - |  |
Bulgaria | 8/29/1986 | empty sheet (#6161) | incomplete |
| - |  |
Bulgaria | 11/27/1986 | empty sheet (#6162) | incomplete |
| - |  |
Bulgaria | 11/27/1986 | empty sheet (#6163) | incomplete |
| - |  |
Bulgaria | 12/5/1986 | empty sheet (#6148) | incomplete |
| - |  |
Bulgaria | 12/5/1986 | empty sheet (#6149) | incomplete |
| - |  |
Bulgaria | 12/10/1986 | empty sheet (#6164) | incomplete |
| - |  |
Bulgaria | 12/23/1986 | empty sheet (#6150) | incomplete |
| - |  |
Bulgaria | 12/23/1986 | empty sheet (#6165) | incomplete |