Sheets of Czechoslovakia, 1978
| Issuer | Date | Desc | State | ||
| - |  |
Czechoslovakia | 2/25/1978 | empty sheet (#3964) | incomplete |
| - |  |
Czechoslovakia | 6/20/1978 | empty sheet (#3965) | incomplete |
| - |  |
Czechoslovakia | 6/20/1978 | empty sheet (#3966) | incomplete |
| - |  |
Czechoslovakia | 9/10/1978 | empty sheet (#3967) | incomplete |
| - |  |
Czechoslovakia | 9/12/1978 | empty sheet (#3968) | incomplete |
| - |  |
Czechoslovakia | 9/12/1978 | empty sheet (#3969) | incomplete |