Sheets of Austria, 1991
| Issuer | Date | Desc | State | ||
| - |  |
Austria | 3/22/1991 | Mozart death 200th, sheet of 2 types | incomplete |
| - |  |
Austria | 5/21/1991 | empty sheet (#59249) | incomplete |
| Issuer | Date | Desc | State | ||
| - | |
Austria | 3/22/1991 | Mozart death 200th, sheet of 2 types | incomplete |
| - | |
Austria | 5/21/1991 | empty sheet (#59249) | incomplete |