Sheets of Monaco, 1999
| Issuer | Date | Desc | State | ||
| - |  |
Monaco | 5/9/1999 | 50th Anniversary of Accession of Prince Rainier III, sheet of 1 type | incomplete |
| - |  |
Monaco | 5/9/1999 | 50th Anniversary of Accession of Prince Rainier III, empty sheet (#12716) | incomplete |