| Type | Commemorative Issues |
| Date of issue | 1990-12-26 |
| Category | First Day Cover |
| Theme | General Celebrations |
| Denomination | Not Applicable |
| Mints | Available |
| Souvenir Sheets | Not Issued |
| Remarks | 175th Anniversary of the Sri Lanka Postal Service -Series of 4 Stamps (B.L.# 303) |
