Sheets of San Marino, 1999
| Issuer | Date | Desc | State | ||
| - |  |
San Marino | 9/20/1999 | 100th Anniversary of AC Milan, sheet of 6 types | all added |
| - |  |
San Marino | 11/5/1999 | Audi, sheet of 4 types | all added |
| Issuer | Date | Desc | State | ||
| - | |
San Marino | 9/20/1999 | 100th Anniversary of AC Milan, sheet of 6 types | all added |
| - | |
San Marino | 11/5/1999 | Audi, sheet of 4 types | all added |