Sheets of San Marino, 2010 all added
| Issuer | Date | Desc | State | ||
| - |  |
San Marino | 2/9/2010 | San Marino at the Expo 2010 Shanghai, sheet of 4 types | all added |
| - |  |
San Marino | 3/17/2010 | Japan-San Marino joint issue, sheet of 4 types | all added |
| - |  |
San Marino | 7/26/2010 | Gibraltar-San Marino joint issue, sheet of 4 types | all added |