| Name | Participants | Dates | Stamps | ||
| 150th Anniversary of the Bambino Gesù Hospital | 2 | (with Vatican City) | 2019 | 2 | |
| 150th Anniversary of the Unification of Italy | 2 | (with Vatican City) | 2011 | 8 | |
| 1700th Anniversary of the Battle of Ponte Milvio | 2 | (with Vatican City) | 2012 | 2 | |
| 400th Anniversary of the Birth of Mattia Preti | 2 | (with Malta) | 2013 | 3 | |
| 90th Anniversary of the Lateran Treaty | 2 | (with Vatican City) | 2019 | 2 | |
| Centennial - Great Synagogue Rome | 2 | (with Israel) | 2004 | 4 | |
| Columbus discovery 500th | 4 | (with Portugal - United States) | 1992 | 45 | (incomplete) |
| Europa 1956 | 6 | (with Belgium - Netherlands) | 1956 | 13 | (incomplete) |
| Europa 1959 | 6 | (with Belgium - Netherlands) | 1959 | 12 | (incomplete) |
| Europa 1960 | 18 | (with Belgium - Turkey) | 1960 | 34 | (incomplete) |
| Europa 1961 | 11 | (with Belgium - Switzerland) | 1961 - 1962 | 24 | (incomplete) |
| Europa 1962 | 16 | (with Belgium - Turkey) | 1962 - 1963 | 34 | (incomplete) |
| Europa 1963 | 18 | (with Belgium - Turkey) | 1963 | 35 | (incomplete) |
| Europa 1964 | 19 | (with Austria - Turkey) | 1964 | 36 | (incomplete) |
| Europa 1965 | 19 | (with Belgium - Turkey) | 1965 | 36 | (incomplete) |
| Europa 1966 | 18 | (with Andorra (Fr) - Turkey) | 1966 | 35 | (incomplete) |
| Europa 1967 | 19 | (with Andorra (Fr) - Turkey) | 1967 | 39 | (incomplete) |
| Europa 1968 | 17 | (with Andorra (Fr) - Turkey) | 1968 | 34 | (incomplete) |
| Europa 1969 | 25 | (with Andorra (Fr) - Yugoslavia) | 1969 | 50 | (incomplete) |
| Europa 1972 | 22 | (with Andorra (Fr) - Yugoslavia) | 1972 | 46 | (incomplete) |
| Italian Language Day 2009 | 3 | (with San Marino - Vatican City) | 2009 | 3 | |
| Joint issue Italy-San Marino | 2 | (with San Marino) | 2006 | 2 | |
| Manzoni | 5 | (with Cyrenaica - Tripolitania) | 1923 - 1924 | 30 | (incomplete) |
| voyages of Columbus | 2 | (with United States) | 1992 | 8 |