Sheets of Yugoslavia, 1988
| Issuer | Date | Desc | State | ||
| - |  |
Yugoslavia | 3/21/1988 | sheet of 1 type | incomplete |
| - |  |
Yugoslavia | 8/18/1988 | 40th Anniversary of the Danube Conference, sheet of 1 type | incomplete |
| - |  |
Yugoslavia | 12/31/1988 | empty sheet (#10317) | incomplete |