| Type | Commemorative Issues |
| Date of issue | 1999-11-16 |
| Category | First Day Cover |
| Theme | General Celebrations |
| Denomination | Not Applicable |
| Mints | Available |
| Souvenir Sheets | Not Issued |
| Remarks | 50th Anniversary of the Sri Lanka National Commission for U.N.E.S.C.O (B.L.#438) |
