Sheets of Bulgaria, 1980
| Issuer | Date | Desc | State | ||
| - |  |
Bulgaria | 1980 | empty sheet (#6024) | incomplete |
| - |  |
Bulgaria | 3/27/1980 | empty sheet (#6017) | incomplete |
| - | no image | Bulgaria | 3/27/1980 | empty sheet (#6018) | incomplete |
| - |  |
Bulgaria | 4/10/1980 | Olympics 1980, sheet of 1 type | |
| - | no image | Bulgaria | 4/10/1980 | empty sheet (#6020) | incomplete |
| - |  |
Bulgaria | 4/22/1980 | Interkosmos, sheet of 1 type | |
| - |  |
Bulgaria | 4/24/1980 | empty sheet (#6015) | incomplete |
| - |  |
Bulgaria | 6/11/1980 | empty sheet (#6025) | incomplete |
| - | no image | Bulgaria | 6/11/1980 | empty sheet (#6026) | incomplete |
| - |  |
Bulgaria | 6/16/1980 | empty sheet (#6016) | incomplete |
| - |  |
Bulgaria | 6/25/1980 | empty sheet (#6022) | incomplete |
| - |  |
Bulgaria | 10/1/1980 | empty sheet (#6027) | incomplete |
| - |  |
Bulgaria | 10/1/1980 | empty sheet (#6028) | incomplete |
| - | no image | Bulgaria | 10/10/1980 | empty sheet (#6023) | incomplete |
| - |  |
Bulgaria | 11/25/1980 | sheet of 1 type |