| Name | Participants | Dates | Stamps | ||
| Christmas 2010 - joint issue Finland-Japan | 2 | (with Japan) | 2010 | 20 | |
| Europa 1960 | 18 | (with Belgium - Turkey) | 1960 | 34 | (incomplete) |
| Europa 1963 | 18 | (with Belgium - Turkey) | 1963 | 35 | (incomplete) |
| Europa 1965 | 19 | (with Belgium - Turkey) | 1965 | 36 | (incomplete) |
| Europa 1969 | 25 | (with Andorra (Fr) - Yugoslavia) | 1969 | 50 | (incomplete) |
| Europa 1971 | 15 | (with Belgium - Yugoslavia) | 1971 | 31 | (incomplete) |
| Europa 1972 | 22 | (with Andorra (Fr) - Yugoslavia) | 1972 | 46 | (incomplete) |
| Europa 1973 | 13 | (with Andorra (Sp) - Switzerland) | 1973 | 27 | (incomplete) |
| Expeditions VI Nordenskiold | 2 | (with Greenland) | 2008 | 4 | |
| Joint issue Finland-Hong Kong | 2 | (with Hong Kong) | 2007 | 4 | |
| New Sweden 350th | 3 | (with Sweden - United States) | 1988 | 8 | (incomplete) |
| Norden 1956 | 5 | (with Denmark - Sweden) | 1956 | 10 | |
| Norden 1969 | 5 | (with Denmark - Sweden) | 1969 | 10 | |
| Norden 1973 | 5 | (with Denmark - Sweden) | 1973 | 10 | |
| Norden 1977 | 5 | (with Denmark - Sweden) | 1977 | 10 | |
| Norden 1980 | 5 | (with Denmark - Sweden) | 1980 | 10 | |
| Norden 1983 | 5 | (with Denmark - Sweden) | 1983 | 10 | |
| Norden 1986 | 5 | (with Denmark - Sweden) | 1986 | 12 | |
| Norden 1989 | 5 | (with Denmark - Sweden) | 1989 | 10 | |
| Norden 1991 | 6 | (with Denmark - Sweden) | 1991 | 12 | |
| Sveaborg/Suomenlinna For..int issue Finland-Sweden | 2 | (with Sweden) | 2006 | 6 |