Sheets of Bulgaria, 1970
| Issuer | Date | Desc | State | ||
| - |  |
Bulgaria | 3/4/1970 | World Cup 1970, empty sheet (#5913) | incomplete |
| - |  |
Bulgaria | 6/20/1970 | EXPO 70, sheet of 1 type | |
| - |  |
Bulgaria | 11/14/1970 | empty sheet (#5916) | incomplete |
| - |  |
Bulgaria | 11/28/1970 | sheet of 1 type | |
| - |  |
Bulgaria | 12/18/1970 | Lunochod 1, sheet of 1 type | all added |