Sheets of Czechoslovakia, 1980
| Issuer | Date | Desc | State | ||
| - |  |
Czechoslovakia | 4/12/1980 | empty sheet (#3972) | incomplete |
| - |  |
Czechoslovakia | 4/12/1980 | empty sheet (#3973) | incomplete |
| - |  |
Czechoslovakia | 6/3/1980 | empty sheet (#3974) | incomplete |
| - |  |
Czechoslovakia | 11/10/1980 | empty sheet (#3975) | incomplete |