| Name | Participants | Dates | Stamps | ||
| 100th Anniversary of Jap..ailand Friendship Treaty | 2 | (with Japan) | 1987 | 2 | |
| 10th Anniversary of Dipl..ns South Africa-Thailand | 2 | (with South Africa) | 2003 | 4 | |
| 120th Anniversary of Dip..nt issue Russia-Thailand | 2 | (with Russia) | 2017 | 2 | |
| 20th Anniversary of Chin..and Diplomatic Relations | 2 | (with China, PRC) | 1995 | 6 | |
| 40th Anniversary of Dipl..lations Thailand-Vietnam | 2 | (with Vietnam) | 2016 | 4 | |
| 50th Anniversary of Kore..and Diplomatic Relations | 2 | (with Korea) | 2008 | 4 | |
| 50th Anniversary of Thai..key Diplomatic Relations | 2 | (with Turkey) | 2008 | 4 | (incomplete) |
| 80th Anniversary of Dipl..sue Philippines-Thailand | 2 | (with Philippines) | 2019 | 4 | |
| ASEAN Joint issue | 10 | (with Brunei - Vietnam) | 2007 | 104 | |
| Joint issue Australia-Thailand | 2 | (with Australia) | 2002 | 4 | |
| Joint issue Canada-Thailand | 2 | (with Canada) | 2003 | 4 | |
| Joint issue Thailand-Malaysia | 2 | (with Malaysia) | 2015 | 8 | |
| Royal Palaces - joint issue Sweden-Thailand | 2 | (with Sweden) | 2002 | 4 |