Sheets of Yugoslavia - Trieste Zone B, 1950
| Issuer | Date | Desc | State | ||
| - |  |
Trieste Zone B | 1/21/1950 | empty sheet (#15307) | incomplete |
| - |  |
Trieste Zone B | 1/21/1950 | empty sheet (#15308) | incomplete |
| - | no image | Trieste Zone B | 1/21/1950 | empty sheet (#15309) | incomplete |
| - | no image | Trieste Zone B | 1/21/1950 | empty sheet (#15310) | incomplete |