| Name | Participants | Dates | Stamps | ||
| 10th Anniversary of the Baltic Chain | 3 | (with Latvia - Lithuania) | 1999 | 12 | |
| 25th Anniversary of the Baltic Chain | 3 | (with Latvia - Lithuania) | 2014 | 11 | |
| Baltic Coastal Landscapes | 3 | (with Latvia - Lithuania) | 2001 | 12 | |
| Baltic Sailing Ships | 3 | (with Latvia - Lithuania) | 1997 | 12 | |
| Highest Awards of the Baltic States | 3 | (with Latvia - Lithuania) | 2008 | 11 |