| Ref No | Year | Description | Type | U.M. | F.U. | FDC |
|---|---|---|---|---|---|---|
| S90-1 | 1990 | Art Series - Lithographs of 19th Century Singapore | 4 v | 4.80 | 4.00 | 5.00 |
| S90-2 | 1990 | 150 Years of Postage Stamps | 4 v | 8.00 | 6.00 | 8.50 |
| S90-2B | 1990 | 150 Years of Postage Stamps FDC with London "B22" postmark |
4 v | - | - | 12.00 |
| S90-2M | 1990 | 150 Years of Postage Stamps | MS | 10.00 | 10.00 | 10.00 |
| S90-2MB | 1990 | 150 Years of Postage Stamps FDC with London "B22" postmark |
MS | - | - | 14.00 |
| S90-3 | 1990 | Tourism Definitives - low values | 9 v | 5.00 | 2.50 | 6.00 |
| S90-4 | 1990 | Tourism Definitives - high values | 4 v | 36.00 | 12.00 | 30.00 |
| S90-5 | 1990 | 25 Years of Independence | 4 v | 5.00 | 4.50 | 5.00 |
| S90-6 | 1990 | Ferns of Singapore | 4 v | 5.00 | 4.50 | 5.00 |