(commemorative cover)
| No. | Date | Cover | Title |
|---|---|---|---|
| 1 | 15 Jan 1999 | |
Zodiac Series - Rabbit |
| 2 | 15 Jan 1999 | |
50th Anniversary of Inter-Religious Organisation, Singapore |
| 3 | 19 Mar 1999 | |
Maritime Heritage |
| 4 | 12 May 1999 | |
Singapore Kindness Movement |
| 5 | 1 Jul 1999 | |
Singapore - Hong Kong, China Joint Issue |
| 6 | 12 Aug 1999 | |
Singapore - Sweden Joint Issue |
|
Singapore - Sweden Joint Issue (commemorative cover) |
||
| 7 | 9 Sep 1999 | |
Yusof bin Ishak (1st President of Singapore) |
| 8 | 13 Oct 1999 | |
Amphibians & Reptiles |
|
Amphibians & Reptiles (Care-for-Nature) | ||
| 9 | 17 Nov 1999 | |
The New Parliament House |
| 10 | 21 Nov 1999 | |
Singapore Philatelic Museum 4th Anniversary |
| 11 | 31 Dec 1999 | |
20th Century Singapore |