| Ref No | Year | Description | Type | U.M. | F.U. | FDC |
|---|---|---|---|---|---|---|
| S15-1 | 2015 | Zodiac Series - Goat | 3v | 4.00 | 4.00 | 5.00 |
| S15-1a | 2015 | Zodiac Series - Goat (1v) | self-adhesive | 1.00 | 1.00 | - |
| S15-1C | 2015 | Zodiac Series - Goat | Collector's sheet | 25.00 | - | 28.00 |
| S15-1Z1 | 2015 | Zodiac Series - Goat (Taipei 2015) | MS | 4.00 | - | - |
| S15-2 | 2015 | Traditional Biscuits | 6v | 6.00 | 6.00 | 7.00 |
| S15-3 | 2015 | Lee Kong Chian Museum of Natural History | 4v | 5.00 | 5.00 | 6.00 |
| S15-4 | 2015 | Singapore-France Joint Issue - Street Art | 2v | 3.00 | 3.00 | 4.50 |
| S15-4M | 2015 | Singapore-France Joint Issue - Street Art | MS | 3.00 | 3.00 | 4.50 |
| S15-5 | 2015 | 28th SEA Games | 4v | 5.00 | 5.00 | 6.00 |
| S15-6 | 2015 | 2015 World Stamp Exhibition (Series 4) | 2v | 6.00 | 6.00 | 7.00 |
| S15-6C | 2015 | 2015 World Stamp Exhibition (Series 4) | Collector's sheet | 18.00 | - | 25.00 |
| S15-6iC | 2015 | 2015 World Stamp Exhibition (Series 4) | Collector's sheet imperf | 70.00 | - | 80.00 |
| S15-6E | 2015 | 2015 World Stamp Exhibition (Series 4) | Collector's sheet with WSE mascots | 35.00 | - | - |
| S15-6Ca | 2015 | 2015 World Stamp Exhibition (Series 4 - Flag) | Collector's sheet | 6.00 | - | - |
| S15-6Cb | 2015 | 2015 World Stamp Exhibition (Series 4 - Pledge) | Collector's sheet | 6.00 | - | - |
| S15-6 | 2015 | 50 Years of Independence 1965 - 2015 | 6v | 6.00 | 6.00 | 7.00 |
| S15-6M | 2015 | 50 Years of Independence 1965 - 2015 | MS | 7.00 | 7.00 | 8.00 |
| S15-7 | 2015 | Singapore Botanic Gardens - UNESCO World Heritage Site | 2v | 4.00 | 4.00 | 5.00 |
| S15-8 | 2015 | ASEAN Community Joint Issue | 1v | 1.00 | 1.00 | 2.00 |
| S15-9 | 2015 | Singapore-Australia-New Zealand Tripartite Issue | 3v | 5.50 | 5.50 | 6.50 |
| S15-9M | 2015 | Singapore-Australia-New Zealand Tripartite Issue | MS | 6.00 | 7.00 | 7.00 |
| S15-10 | 2015 | Singapore-Thailand Joint Issue | 2v | 3.30 | 3.30 | 4.30 |
| S15-10M | 2015 | Singapore-Thailand Joint Issue | MS | 3.80 | 3.80 | 4.80 |
| S15-11 | 2015 | People's Association - Citizens Consultative Committee's 50th Anniversary | 2v | 3.30 | 3.30 | 4.30 |
| S15-12 | 2015 | Indian Heritage Centre | 4v | 4.50 | 4.50 | 4.50 |
| S15-13 | 2015 | National Gallery | 4v | 7.50 | 7.50 | 8.50 |
| S15-14 | 2015 | Singapore-India Joint Issue | 2v | 3.30 | 3.30 | 4.30 |
| S15-14C | 2015 | Singapore-India Joint Issue | Collector's sheet | 11.00 | 11.00 | - |
| S15-15 | 2015 | 8th ASEAN Para Games | 2v | 3.30 | 3.30 | 4.30 |