| Type | Definitive Issues |
| Date of issue | 1980-08-25 |
| Category | First Day Cover |
| Theme | General Celebrations |
| Denomination | Not Applicable |
| Mints | Available |
| Souvenir Sheets | Available |
| Remarks | UNESCO-SRI LANKA Cultural Triangle Project -Series of 6 Stamps (B.L.# **) |
