| Ref No | Year | Description | Type | U.M. | F.U. | FDC |
|---|---|---|---|---|---|---|
| S23-1 | 2023 | Zodiac Series - Rabbit | 2v | 3.00 | 3.00 | 4.00 |
| S23-1P | 2023 | Zodiac Series - Rabbit | mini-sheet | 9.00 | - | - |
| S23-1a | 2023 | Zodiac Series - Rabbit (1v) | self-adhesive | 1.00 | 1.00 | - |
| S23-1C | 2023 | Zodiac Series - Rabbit | Collector's sheet | 25.00 | - | - |
| S23-2 | 2023 | Horoscope I | 4v | 5.00 | 5.00 | 6.00 |
| S23-3 | 2023 | Anniversaries | 2v | 3.50 | 3.50 | 4.50 |
| S23-4 | 2023 | Critically Endangered Flora | 4v | 5.00 | 5.00 | 6.00 |
| S23-5 | 2023 | National Monuments | 5v | 5.50 | 5.50 | 6.50 |
| S23-6 | 2023 | Horoscope II | 4v | 5.00 | 5.00 | 6.00 |
| S23-7 | 2023 | National Day Parade at The Padang | 5v | 7.00 | 7.00 | 8.00 |
| S23-7M | 2023 | National Day Parade at The Padang | MS | 3.00 | 3.00 | 4.00 |
| S23-8 | 2023 | Bird Paradise | 6v | 8.00 | 8.00 | 9.00 |
| S23-9 | 2023 | Horoscope III | 4v | 5.00 | 5.00 | 6.00 |
| S23-10 | 2023 | Early Singapore River Settlement | 4v | 6.50 | 6.50 | 7.50 |
| S23-11 | 2023 | Singapore Postal Services Over The Years | 5v | 7.00 | 7.00 | 8.00 |
| S23-12 | 2023 | The Purple Parade | 4v | 5.50 | 5.50 | 6.50 |