| Ref No | Year | Description | Type | U.M. | F.U. | FDC |
|---|---|---|---|---|---|---|
| S83-1 | 1983 | Commonwealth Day | 4 v | 4.00 | 3.00 | 4.00 |
| S83-2 | 1983 | XII South-east Asian Games | 4 v | 4.00 | 3.00 | 4.00 |
| S83-3 | 1983 | Neighbourhood Watch | 3 v | 2.50 | 2.00 | 3.00 |
| S83-4 | 1983 | Bangkok International Stamp Exhibition | 3 v | 3.00 | 2.00 | 3.00 |
| S83-4B | 1983 | Bangkok International Stamp Exhibition FDC with Bangkok "B7" postmark |
3 v | - | - | 6.00 |
| S83-4M | 1983 | Bangkok International Stamp Exhibition | MS | 4.00 | 4.00 | 5.00 |
| S83-4MB | 1983 | Bangkok International Stamp Exhibition FDC with Bangkok "B7" postmark |
MS | - | - | 7.00 |
| S83-5 | 1983 | Inaugural Ceremony for the ASEAN Malaysia-Singapore-Thailand Submarine Cable | 4 v | 4.00 | 3.50 | 4.50 |
| S83-5M | 1983 | Inaugural Ceremony for the ASEAN Malaysia-Singapore-Thailand Submarine Cable | MS | 7.00 | 6.00 | 7.00 |
| S83-6 | 1983 | World Communications Year | 4 v | 4.50 | 4.00 | 5.00 |