| Name | Participants | Dates | Stamps | ||
| 1150th Anniversary of th..avic Liturgical Language | 2 | (with Vatican City) | 2018 | 2 | |
| 25 years of diplomatic r..t issue Romania-Slovakia | 2 | (with Romania) | 2018 | 2 | |
| 450th Anniversary of the Birth of Jan Jessenius | 3 | (with Hungary - Poland) | 2016 | 4 | |
| Joint issue Austria-Slovakia | 2 | (with Austria) | 2009 | 4 | |
| Joint issue Poland-Slovakia | 2 | (with Poland) | 2020 | 2 | |
| Joint Issue Serbia-Slovakia | 2 | (with Serbia) | 2012 | 2 | |
| Joint issue Slovakia-Turkey | 2 | (with Turkey) | 2018 | 2 | |
| Joint issue with Czech R..f the Arrival of St Cyri | 3 | (with Bulgaria - Vatican City) | 2013 | 3 | |
| Puppets - joint issue Indonesia-Slovakia | 2 | (with Indonesia) | 2006 | 4 |