| Name | Participants | Dates | Stamps | ||
| 150 years of the International Red Cross | 2 | (with Belgium) | 2013 | 2 | |
| Bobbin Lace | 2 | (with Croatia) | 2015 | 4 | |
| Christmas 2001 - joint Germany-Spain | 2 | (with Germany) | 2001 | 8 | |
| Columbus discovery 500th | 4 | (with Italy - United States) | 1992 | 45 | (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 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 1970 | 18 | (with Andorra (Fr) - Yugoslavia) | 1970 | 39 | (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) |
| Florida settlement 400th | 2 | (with United States) | 1965 | 2 | |
| Iberian Bridges | 2 | (with Portugal) | 2006 | 4 | |
| Joint Issue Romania - Spain | 2 | (with Romania) | 2012 | 4 | |
| Joint issue Russia - Spain | 2 | (with Russia) | 2012 | 4 | |
| Joint issue Spain - Ireland | 2 | (with Ireland) | 2008 | 4 | |
| Joint issue Spain - Japan | 2 | (with Japan) | 2013 | 12 | |
| Nobel Laureates 2003 | 2 | (with Sweden) | 2003 | 4 | |
| Velázquez - Portrait of..Infanta Margarita Teresa | 2 | (with Austria) | 2009 | 4 | |
| World Youth Day 2011 | 2 | (with Vatican City) | 2011 | 2 |