| Ref No | Year | Description | Type | U.M. | F.U. | FDC |
|---|---|---|---|---|---|---|
| S11-1 | 2011 | Zodiac Series - Rabbit | 3v | 4.00 | 4.00 | 6.00 |
| S11-1a | 2011 | Zodiac Series - Rabbit (1v) | self-adhesive | 0.50 | 0.50 | - |
| S11-1C | 2011 | Zodiac Series - Rabbit | Collector's sheet | 25.00 | - | 35.00 |
| S11-1Z1 | 2011 | Zodiac Series - Rabbit (Indipex) | MS | 4.00 | - | - |
| S11-1Z2 | 2011 | Zodiac Series - Rabbit (PhilaNippon) | MS | 4.00 | - | - |
| S11-1Z3 | 2011 | Zodiac Series - Rabbit (China 2011) | MS | 4.00 | - | - |
| S11-2 | 2011 | Spirit of Giving - Volunteerism & Philantropy | 2v | 5.00 | 5.00 | 6.00 |
| S11-3a | 2011 | Definitive - Pond Life (Low Values - Flowers) | 2v | 1.00 | 0.80 | 2.50 |
| S11-3b | 2011 | Definitive - Pond Life (Low Values - Fauna) | 8v | 6.00 | 4.00 | 6.50 |
| S11-3c | 2011 | Definitive - Pond Life (High Values) | 4v | 25.00 | 14.00 | 30.00 |
| S11-3C | 2011 | Definitive - Pond Life Collector's Sheet | Collector's sheet | 40.00 | - | - |
| S11-4 | 2011 | 100 Years of Aviation in Singapore | 5v | 5.00 | 5.00 | 6.50 |
| S11-5 | 2011 | Hawker Centres | 4v | 5.00 | 4.00 | 6.50 |
| S11-6 | 2011 | Endangered Animal - Oriental Small-Clawed Otter | 4v | 5.00 | 5.00 | 6.50 |
| S11-6C | 2011 | Endangered Animal - Oriental Small-Clawed Otter | Collector's sheet (imperf) | 140.00 | - | - |
| S11-7 | 2011 | Spices | 5v | 5.00 | 5.00 | 6.00 |
| S11-8 | 2011 | 50th Anniversary of Economic Development Board | 2v | 3.50 | 3.50 | 4.50 |
| S11-9 | 2011 | National Day - Areas of Historical Significance | 4v | 5.00 | 5.00 | 6.50 |
| S11-9M | 2011 | National Day - Areas of Historical Significance | MS | 3.00 | 3.00 | 4.00 |
| S11-10 | 2011 | Greetings - YourSingapore.com | 10v | 4.00 | 4.00 | 5.00 |
| S11-11 | 2011 | Singapore-Egypt Joint Issue - Significant Rivers | 2v | 5.00 | 5.00 | 6.00 |
| S11-11M | 2011 | Singapore-Egypt Joint Issue - Significant Rivers | MS | 5.00 | 5.00 | 6.00 |
| S11-12 | 2011 | 20th World Orchid Conference | 5v | 6.00 | 6.00 | 7.50 |
| S11-12C | 2011 | 20th World Orchid Conference | Collector's sheet | 12.00 | - | 14.00 |