Sheets of San Marino, 2012 all added
| Issuer | Date | Desc | State | ||
| - |  |
San Marino | 2/29/2012 | 150th Anniversary of Gustav Klimt, sheet of 4 types | all added |
| - |  |
San Marino | 5/9/2012 | 40th Anniversary of UNESCO Heritage, sheet of 4 types | all added |
| - |  |
San Marino | 6/13/2012 | San Marino RTV on Satellite, sheet of 1 type | all added |
| - |  |
San Marino | 10/16/2012 | 20th Anniversary of Diplomatic Relations between San Marino and Croatia, sheet of 2 types | all added |